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Medical Dictionary


surgeon (ser′jun)
A physician who treats disease, injury, and deformity by operation or manipulation. [G. cheirougos; L. chirurgus] attending s. a surgical member of the attending staff of a hospital. dental s. a general practitioner of dentistry; a dentist with the D.D.S. or D.M.D. degree. genitourinary s. SYN: urologist. oral s. a dentist who specializes in oral surgery.

surgeon general
The chief medical officer in the U.S. Army, Navy, Air Force, or Public Health Service. In some foreign military services any member of the medical corps who has the rank of general, not necessarily the chief medical officer.

surgery (ser′jer-e)
1. The branch of medicine concerned with the treatment of disease, injury, and deformity by physical operation or manipulation. 2. The performance or procedures of an operation. [L. chirurgia; G. cheir, hand, + ergon, work] ambulatory s. operative procedures performed on patients who are admitted to and discharged from a hospital on the same day. aseptic s. the performance of an operation with sterilized hands, instruments, etc., and utilizing precautions against the introduction of infectious microorganisms from without. closed s. s. without incision into skin, e.g., reduction of a fracture or dislocation. cosmetic s. s. in which the principal purpose is to improve the appearance. SYN: esthetic s.. craniofacial s. simultaneous procedure on the cranium and facial bones. endolymphatic sac s. a generic term for several operations performed on the endolymphatic sac for the treatment of Ménière disease. esthetic s. SYN: cosmetic s.. functional endoscopic sinus s. (FESS) a group of operations performed on the paranasal sinuses, with illumination and magnification through an endoscope. keratorefractive s. SYN: refractive keratoplasty. laparoscopic s. operative procedure performed using minimally invasive surgical technique for exposure that avoids traditional incision; visualization is achieved using a fiber optic instrument, attached to a video camera. laparoscopically assisted s. operative procedure performed using combined laparoscopic and open techniques. left ventricular volume reduction s. operation in which the volume of a dilated, nonaneurysmal left ventricle is reduced by myocardial resection to improve ventricular geometry and mechanical function and thereby treat end-stage congestive heart failure. SYN: Battista operation, partial left ventriculectomy, reduction left ventriculoplasty. lung volume reduction s. procedure whereby nonfunctional lung tissue in emphysema patients is removed, allowing more room in the thoracic cavity for good relatively healthy tissue and thus theoretically improving lung function. SEE ALSO: emphysema. major s. major operation. microscopically controlled s. SYN: Mohs chemosurgery. minimally invasive s. operative procedure performed in a manner derived to result in the smallest possible incision or no incision at all; includes laparoscopic, laparoscopically assisted, thoracoscopic, and endoscopic surgical procedures. minor s. minor operation. Mohs s. SYN: Mohs chemosurgery. Mohs micrographic s. SYN: Mohs chemosurgery. open heart s. operative procedure(s) performed on or within the exposed heart, usually with cardiopulmonary bypass. oral s. the branch of dentistry concerned with the diagnosis and surgical and adjunctive treatment of diseases, injuries, and deformities of the oral and maxillofacial region. orthognathic s. SYN: surgical orthodontics. orthopedic s. the branch of s. that embraces the treatment of acute and chronic disorders of the musculoskeletal system, including injuries, diseases, dysfunction, and deformities (orig. deformities in children) in the extremities and spine. SEE ALSO: orthopaedics. plastic s. the surgical specialty or procedure concerned with the restoration, construction, reconstruction, or improvement in the shape and appearance of body structures that are missing, defective, damaged, or misshapen. reconstructive s. plastic s.. skull base s. generic term to denote a specialty of s. and a group of operations, techniques, and approaches to lesions at or involving the base of the skull or its contents. stereotactic s. SYN: stereotaxy. stereotaxic s. SYN: stereotaxy. thoracoscopic s. operation on the chest using a thoracoscope; formerly, a direct-view instrument used mainly for simple procedures such as collapse therapy and pleural biopsy; currently, employs video-endoscopic minimally invasive techniques and instruments and is applied to more complex procedures. Cf.:video-assisted thoracic s.. transsexual s. procedures designed to alter a patient's external sexual characteristics so that they resemble those of the other sex. ventricular reduction s. SYN: Batista procedure. video-assisted thoracic s. (VATS) thoracic s. performed using endoscopic cameras, optical systems, and display screens, as well as specially designed surgical instruments and staplers; the ability to make small incisions without spreading of the ribs is an advantage over standard thoracotomy; has been applied to most thoracic procedures.

surgical (ser′ji-kal)
Relating to surgery.

surrenal (ser-re′nal)
SYN: suprarenal (1) .

surrogate (ser′o-gat)
1. A person who functions in another's life as a substitute for some third person such as a relative who assumes the nurturing and other responsibilities of the absent parent. 2. A person who reminds one of another person so that one uses the first as an emotional substitute for the second. [L. surrogo, to put in another's place] mother s. one who substitutes for or takes the place of the mother.

surround (ser-ownd′)
Milieu; environment. acoustical s. SYN: sound field.

sursumduction (ser-sum-duk′shun)
SYN: supraduction. [L. sursum, upward, + duco, pp. -ductus, to draw]

sursumversion (ser-sum-ver′zhun)
The act of rotating the eyes upward. [L. sursum, upward, + verto, pp. versus, to turn]

surveillance (ser-va′lans)
1. The collection, collation, analysis, and dissemination of data; a type of observational study that involves continuous monitoring of disease occurrence within a population. 2. Ongoing scrutiny, generally using methods distinguished by practicability, uniformity, or rapidity, rather than complete accuracy. [Fr. surveiller, to watch over, fr. L. super- + vigilo, to watch] immune s. a theory that the immune system recognizes and destroys tumor cells which are constantly arising during the life of the individual. SYN: immunological s.. immunological s. SYN: immune s.. post-marketing s. procedure implemented after a drug has been licensed for public use, designed to provide information on use and on occurrence of side effects, adverse effects, etc.

survey (ser′va)
1. An investigation in which information is systematically collected but in which the experimental method is not used. 2. A comprehensive examination or group of examinations to screen for one or more findings. 3. A series of questions administered to a sample of individuals in a population. [O.Fr. surveeir, fr. Mediev.L. supervideo, fr. super, over, + video, to see] field s. the planned collection of data among noninstitutionalized persons in the general population. skeletal s. radiographic examination of all or selected parts of the skeleton, as for occult fractures, metastases, etc.

surveying (ser-va′ing)
In dentistry, the procedure of locating and delineating the contour and position of the abutment teeth and associated structures before designing a removable partial denture.

surveyor (ser-va′er, or)
In dentistry, the instrument used in surveying.

survival (ser-vi′val)
Continued existence; persistence of life.

susceptibility (su-sep-ti-bil′i-te)
1. Likelihood of an individual to develop ill effects from an external agent, such as Mycobacterium tuberculosis, high altitude, or ambient temperature. 2. In magnetic resonance imaging, the loss of magnetization signal caused by rapid phase dispersion because of marked local inhomogeneity of the magnetic field, as with the multiple air–soft tissue interfaces in the lung.

suspension (sus-pen′shun)
1. A temporary interruption of any function. 2. A hanging from a support, as used in the treatment of spinal curvatures or during the application of a plaster jacket. 3. Fixation of an organ, such as the uterus, to other tissue for support. 4. The dispersion through a liquid of a solid in finely divided particles of a size large enough to be detected by purely optical means; if the particles are too small to be seen by microscope but still large enough to scatter light (Tyndall phenomenon), they will remain dispersed indefinitely and are then called a colloidal s. SYN: coarse dispersion. 5. A class of pharmacopoeial preparations of finely divided, undissolved drugs ( e.g., powders for s.) dispersed in liquid vehicles for oral or parenteral use. [L. suspensio, fr. sus-pendo, pp. -pensus, to hang up, suspend] amorphous insulin zinc s. SYN: prompt insulin zinc s.. chromic phosphate 32P colloidal s. a pure β-emitting colloidal, nonabsorbable radiopharmaceutical administered into body cavities such as the pleural or peritoneal spaces to control malignant effusions. SEE ALSO: sodium phosphate 32P. Coffey s. an operative technique following partial excision of the cornu, as in salpingectomy, whereby the broad and the round ligaments are sutured over the cornual wound to restore continuity of the peritoneum and to suspend the uterus on the operated side. crystalline insulin zinc s. SYN: extended insulin zinc s.. extended insulin zinc s. a long-acting insulin s., obtained from beef, with an approximate time of onset of 7 hours and a duration of action of 36 hours. SYN: crystalline insulin zinc s.. insulin zinc s. a sterile buffered s. with zinc chloride, usually containing 100 units per ml; the solid phase of the s. consists of a mixture of 7 parts of crystalline insulin and 3 parts of amorphous insulin. SYN: lente insulin. magnesia and alumina oral s. a mixture of magnesium hydroxide and variable amounts of aluminum oxide; used as an antacid. prompt insulin zinc s. sterile s. of insulin in buffered water for injection, modified by the addition of zinc chloride such that the solid phase of the s. is amorphous; it usually contains 100 units per ml; the duration of action is equivalent to that of insulin injection. SYN: amorphous insulin zinc s., semilente insulin.

suspensoid (sus-pen′soyd)
A colloidal solution in which the dispersed particles are solid and lyophobe or hydrophobe and are therefore sharply demarcated from the fluid in which they are suspended. SYN: hydrophobic colloid, lyophobic colloid, suspension colloid. [suspension + G. eidos, resemblance]

suspensory (sus-pen′so-re)
1. Suspending; supporting; denoting a ligament, a muscle, or other structure that keeps an organ or other part in place. 2. A supporter applied to uplift a dependent part, such as the scrotum or a pendulous breast.

sustentacular (sus-ten-tak′u-lar)
Relating to a sustentaculum; supporting.

sustentaculum, pl .sustentacula (sus′ten-tak′u-lum, -la)
A structure that serves as a stay or support to another. [L. a prop, fr. sustento, to hold upright] s. lienis SYN: phrenicosplenic ligament. s. tali support of the talus, a bracket-like lateral projection from the medial surface of the calcaneus, the upper surface of which presents a facet for articulation with the talus.

susurrus (su-ser′us)
SYN: murmur (1) . [L.] s. aurium murmur in the ear.

Sutter blood group
See Blood Groups appendix.

Richard L., U.S. dermatologist, 1878–1952. See S. nevus.

Richard L., Jr., U.S. dermatologist, *1908. See S. disease, S. ulcer.

sutura, pl .suturae (soo′too′ra, -re) [TA]
SYN: suture (1) . [L. a sewing, a suture, fr. suo, pp. sutus, to sew] s. coronalis [TA] SYN: coronal suture. suturae cranii [TA] SYN: cranial sutures, under suture. s. ethmoidolacrimalis [TA] SYN: ethmoidolacrimal suture. s. ethmoidomaxillaris [TA] SYN: ethmoidomaxillary suture. s. frontalis SYN: frontal suture. s. frontalis persistens metopic suture. s. frontoethmoidalis [TA] SYN: frontoethmoidal suture. s. frontolacrimalis [TA] SYN: frontolacrimal suture. s. frontomaxillaris [TA] SYN: frontomaxillary suture. s. frontonasalis [TA] SYN: frontonasal suture. s. frontozygomatica [TA] SYN: frontozygomatic suture. s. incisiva [TA] SYN: incisive suture. s. infraorbitalis [TA] SYN: infraorbital suture. s. intermaxillaris [TA] SYN: intermaxillary suture. s. internasalis [TA] SYN: internasal suture. s. interparietalis SYN: sagittal suture. s. lacrimoconchalis [TA] SYN: lacrimoconchal suture. s. lacrimomaxillaris [TA] SYN: lacrimomaxillary suture. s. lambdoidea [TA] SYN: lambdoid suture. s. metopica [TA] SYN: metopic suture. s. nasofrontalis SYN: frontonasal suture. s. nasomaxillaris [TA] SYN: nasomaxillary suture. s. notha (no′ta) SYN: false suture. [G. fem. of nothos, spurious] s. occipitomastoidea [TA] SYN: occipitomastoid suture. s. palatina mediana [TA] SYN: median palatine suture. s. palatina transversa [TA] SYN: transverse palatine suture. s. palatoethmoidalis [TA] SYN: palatoethmoidal suture. s. palatomaxillaris [TA] SYN: palatomaxillary suture. s. parietomastoidea [TA] SYN: parietomastoid suture. s. plana [TA] SYN: plane suture. s. sagittalis [TA] SYN: sagittal suture. s. serrata [TA] SYN: serrate suture. s. sphenoethmoidalis [TA] SYN: sphenoethmoidal suture. s. sphenofrontalis [TA] SYN: sphenofrontal suture. s. sphenomaxillaris [TA] SYN: sphenomaxillary suture. s. spheno-orbitalis SYN: spheno-orbital suture. s. sphenoparietalis [TA] SYN: sphenoparietal suture. s. sphenosquamosa [TA] SYN: sphenosquamous suture. s. sphenovomeriana [TA] SYN: sphenovomerine suture. s. sphenozygomatica [TA] SYN: sphenozygomatic suture. s. squamoparietalis 1. SYN: squamous suture. 2. SYN: squamoparietal suture. s. squamosomastoidea [TA] SYN: squamomastoid suture. s. temporozygomatica [TA] SYN: temporozygomatic suture. s. zygomaticofrontalis SYN: frontozygomatic suture. s. zygomaticomaxillaris [TA] SYN: zygomaticomaxillary suture. s. zygomaticotemporalis SYN: temporozygomatic suture.

sutural (soo′choor-al)
Relating to a suture in any sense.

suture (soo′choor) [TA]
1. A form of fibrous joint in which two bones formed in membrane are united by a fibrous membrane continuous with the periosteum. SYN: sutura [TA] , s. joint. 2. To unite two surfaces by sewing. SYN: stitch (3) . 3. The material (silk thread, wire, synthetic material, etc.) with which two surfaces are kept in apposition. 4. The seam so formed, a surgical s.. [L. sutura, a seam] absorbable surgical s. a surgical s. material prepared from a substance that can be dissolved by body tissues and is therefore not permanent; it is available in various diameters and tensile strengths; the rate of disappearance of strength depends on the characteristics of the s. material. Albert s. a modified Czerny s., the first row of stitches passing through the entire thickness of the wall of the gut. apposition s. a s. of the skin only. SYN: coaptation s.. approximation s. a s. that pulls together the deep tissues. atraumatic s. a s. swaged onto the end of an eyeless needle. blanket s. a continuous lock-stitch used to approximate the skin of a wound. bridle s. a s. passed beneath the superior rectus muscle to rotate the globe downward in eye surgery. Bunnell s. a method of tenorrhaphy using a pull-out wire affixed to buttons. buried s. any s. placed entirely below the surface of the skin. button s. a s. in which the threads are passed through the holes of a button and then tied; used to reduce the danger of the threads cutting through the flesh. catgut s. catgut. coaptation s. SYN: apposition s.. cobbler's s. SYN: doubly armed s.. Connell s. a continuous s. used for inverting the gastric or intestinal walls in performing an anastomosis. continuous s. an uninterrupted series of stitches using one s.; the stitching is fastened at each end by a knot. SYN: spiral s., uninterrupted s.. control release s. eyeless s. with thread attached to a needle such that the two separate when tension is applied to the thread. coronal s. [TA] the line of junction of the frontal with the two parietal bones of the skull. SYN: sutura coronalis [TA] . cranial sutures [TA] the sutures between the bones of the skull. SYN: suturae cranii [TA] . Cushing s. a running horizontal mattress s. used to approximate two adjacent surfaces. Czerny s. the first row of the Czerny-Lembert intestinal s.; the needle enters the serosa and passes out through the submucosa or muscularis, and then enters the submucosa or muscularis of the opposite side and emerges from the serosa. Czerny-Lembert s. an intestinal s. in two rows combining the Czerny s. (first) and the Lembert s. (second). delayed s. a suturing of a wound after an interval of days. dentate s. SYN: serrate s.. doubly armed s. a s. with a needle attached at both ends. SYN: cobbler's s.. Dupuytren s. a continuous Lembert s.. end-on mattress s. a vertical mattress s. used for exact skin approximation. ethmoidolacrimal s. [TA] the line of union of the orbital plate of the ethmoid and the posterior margin of the lacrimal bone. SYN: sutura ethmoidolacrimalis [TA] . ethmoidomaxillary s. [TA] line of apposition of the orbital surface of the body of the maxilla with the orbital plate of the ethmoid bone. SYN: sutura ethmoidomaxillaris [TA] . Faden s. a s. placed between an ocular rectus muscle and the posterior sclera to limit excessive action of the eyeball. [Ger. Faden, thread, twine] false s. one whose opposing margins are smooth or present only a few ill-defined projections. SYN: sutura notha. far-and-near s. an interrupted s. using alternate near and far stitches, used to approximate fascial edges. figure-of-8 s. a s. using criss-cross stitches to approximate fascial edges or the musculofascial and outer layers of an abdominal wound. frontal s. the s. between the two halves of the frontal bone, usually obliterated by about the sixth year; if persistent it is called a metopic s. or sutura frontalis persistens. SYN: sutura frontalis. frontoethmoidal s. [TA] line of union between the cribriform plate of the ethmoid and the orbital plate and posterior margin of the nasal process of the frontal bone. SYN: sutura frontoethmoidalis [TA] . frontolacrimal s. [TA] line of union between the upper margin of the lacrimal and the orbital plate of the frontal bone. SYN: sutura frontolacrimalis [TA] . frontomaxillary s. [TA] articulation of the frontal process of the maxilla with the frontal bone. SYN: sutura frontomaxillaris [TA] . frontonasal s. [TA] line of union of the frontal and of the two nasal bones. SYN: sutura frontonasalis [TA] , sutura nasofrontalis. frontozygomatic s. [TA] line of union between the zygomatic process of the frontal and the frontal process of the zygomatic bone. SYN: sutura frontozygomatica [TA] , sutura zygomaticofrontalis. Frost s. intermarginal s. between the eyelids to protect the cornea. Gély s. a cobbler's s. used in closing intestinal wounds. glover s. a continuous s. in which each stitch is passed through the loop of the preceding one. Gould s. an intestinal mattress s. in which each loop is invaginated in such a way that the tissue at the loop is bulged out, becoming convex instead of concave. Gussenbauer s. a figure-of-8 s. for the intestine, resembling the Czerny-Lembert s. but not including the mucous membrane. Halsted s. a s. placed through the subcuticular fascia; used for exact skin approximation. harmonic s. SYN: plane s.. implanted s. passage of a pin through each lip of the wound parallel to the line of incision, the pins then being looped together with sutures. incisive s. [TA] line of union of the two portions of the maxilla (pre- and postmaxilla); it is present at birth but may persist into old age. SYN: sutura incisiva [TA] , premaxillary s.. infraorbital s. [TA] an inconstant s. running from the infraorbital foramen to the infraorbital groove. SYN: sutura infraorbitalis [TA] . intermaxillary s. [TA] the line of union of the two maxillae. SYN: sutura intermaxillaris [TA] . internasal s. [TA] line of union between the two nasal bones. SYN: sutura internasalis [TA] . interparietal s. SYN: sagittal s.. interrupted s. a series of single stitches, the ends of each s. tied together. Jobert de Lamballe s. an interrupted intestinal s., used for invaginating the margins of the intestines in circular enterorrhaphy. lacrimoconchal s. [TA] line of union of the lacrimal bone with the inferior nasal concha. SYN: sutura lacrimoconchalis [TA] . lacrimomaxillary s. [TA] line of union, on the medial wall of the orbit, between the anterior and inferior margin of the lacrimal bone and the maxilla. SYN: sutura lacrimomaxillaris [TA] . lambdoid s. [TA] the inverted λ-shaped line of union between the occipital and the parietal bones. SYN: sutura lambdoidea [TA] . Lembert s. the second row of the Czerny-Lembert intestinal s.; an inverting s. for intestinal surgery, used either as a continuous s. or interrupted s., producing serosal apposition and including the collagenous submucosal layer but not entering the lumen of the intestine. lens sutures SYN: radii of lens, under radius. locking s. a running s. in which the s. material is made to pass through the loop made from the previous stitch. SYN: lock stitch. mattress s. a s. utilizing a double stitch that forms a loop about the tissue on both sides of a wound, producing eversion of the edges when tied. SYN: quilted s.. median palatine s. [TA] line of union between the horizontal plates of the palatine bones, continuing the intermaxillary s. posteriorly. SYN: sutura palatina mediana [TA] . metopic s. [TA] a persistent frontal s., sometimes discernible a short distance above sutura frontonasalis. SEE ALSO: frontal s.. SYN: sutura metopica [TA] , persistent frontal s.&star, sutura frontalis persistens&star. nasomaxillary s. [TA] line of union of the lateral margin of the nasal bone with the frontal process of the maxilla. SYN: sutura nasomaxillaris [TA] . nerve s. SYN: neurorrhaphy. neurocentral s. SYN: neurocentral synchondrosis. nonabsorbable surgical s. surgical s. material that is relatively unaffected by the biologic activities of the body tissues and is therefore permanent unless removed; e.g., stainless steel, silk, cotton, nylon, and other synthetic materials. occipitomastoid s. [TA] continuation of the lambdoid s. between the posterior border of the petrous portion of the temporal bone and the occipital. SYN: sutura occipitomastoidea [TA] . palatoethmoidal s. [TA] line of junction of the orbital process of the palatine bone and the orbital plate of the ethmoid. SYN: sutura palatoethmoidalis [TA] . palatomaxillary s. [TA] line of union, in the floor of the orbit, between the orbital process of the palatine bone and the orbital surface of the maxilla. SYN: sutura palatomaxillaris [TA] . Paré s. the approximation of the edges of a wound by pasting strips of cloth to the surface and stitching them instead of the skin. parietomastoid s. [TA] articulation of the posterior inferior angle of the parietal with the mastoid process of the temporal bone. SYN: sutura parietomastoidea [TA] . Parker-Kerr s. a continuous inverting s. used to close an open end of intestine. persistent frontal s. metopic s.. petrosquamous s. petrosquamous fissure. plane s. [TA] a simple firm apposition of two smooth surfaces of bones, without overlap, as seen in the lacrimomaxillary s.. SYN: sutura plana [TA] , harmonia, harmonic s.. pledgetted s. a s. supported by a small piece of fabric or tissue so that the s. will not tear through the tissue. premaxillary s. SYN: incisive s.. purse-string s. a continuous s. placed in a circular manner either for inversion (as for an appendiceal stump) or closure (as for a hernia). quilted s. SYN: mattress s.. relaxation s. a s. so arranged that it may be loosened if the tension of the wound becomes excessive. retention s. a heavy reinforcing s. placed deep within the muscles and fasciae of the abdominal wall to relieve tension on the primary s. line. SYN: tension s.. sagittal s. [TA] midline union between the two parietal bones. SYN: sutura sagittalis [TA] , interparietal s., sutura interparietalis. secondary s. delayed closure of a wound. serrate s. [TA] one whose opposing margins present deep sawlike indentations, as most of the sagittal s.. SYN: sutura serrata [TA] , dentate s.. shotted s. a s. in which the ends are fastened by passing through a split shot (a partially divided lead pellet) which is then compressed. sphenoethmoidal s. [TA] line of union between the crest of the sphenoid bone and the perpendicular and cribriform plates of the ethmoid. SYN: sutura sphenoethmoidalis [TA] . sphenofrontal s. [TA] line of union between the orbital plate of the frontal and the lesser wings of the sphenoid on either side. SYN: sutura sphenofrontalis [TA] . sphenomaxillary s. [TA] an inconstant s. between the pterygoid process of the sphenoid bone and the body of the maxilla. SYN: sutura sphenomaxillaris [TA] . sphenooccipital s. SYN: sphenooccipital synchondrosis. spheno-orbital s. articulation between the orbital process of the palatine bone and the outer surface of the body of the sphenoid. SYN: sutura spheno-orbitalis. sphenoparietal s. [TA] line of union of the lower border of the parietal with the upper edge of the greater wing of the sphenoid. SYN: sutura sphenoparietalis [TA] . sphenosquamous s. [TA] articulation of the greater wing of the sphenoid with the squamous portion of the temporal bone. SYN: sutura sphenosquamosa [TA] . sphenovomerine s. [TA] the line of union of the vaginal process of the sphenoid with the wing of the vomer. SYN: sutura sphenovomeriana [TA] . sphenozygomatic s. [TA] junction of the zygomatic bone and greater wing of the sphenoid. SYN: sutura sphenozygomatica [TA] . spiral s. SYN: continuous s.. squamomastoid s. [TA] line of union of the squamous and petrous portions of the temporal bone during development; it sometimes persists in the region of the mastoid process. SYN: sutura squamosomastoidea [TA] . squamoparietal s. the articulation of the parietal with the squamous portion of the temporal bone. SYN: sutura squamoparietalis (2) . squamous s. [TA] a scalelike s., one whose opposing margins are scalelike and overlapping; SYN: sutura squamoparietalis (1) . subcuticular s. Halsted s.. temporozygomatic s. line of junction of the zygomatic process of the temporal and the temporal process of the zygomatic bone. SYN: sutura temporozygomatica [TA] , sutura zygomaticotemporalis, zygomaticotemporal s.. tendon s. SYN: tenorrhaphy. tension s. SYN: retention s.. transfixion s. 1. a criss-cross stitch so placed as to control bleeding from a tissue surface or small vessel when tied; 2. a s. used to fix the columella to the nasal septum. transverse palatine s. [TA] line of union of the palatine processes of the maxillae with the horizontal plates of the palatine bones. SYN: sutura palatina transversa [TA] . tympanomastoid s. SYN: tympanomastoid fissure. uninterrupted s. SYN: continuous s.. wedge-and-groove s. SYN: schindylesis. zygomaticomaxillary s. [TA] articulation of the zygomatic bone with the zygomatic process of the maxilla. SYN: sutura zygomaticomaxillaris [TA] . zygomaticotemporal s. SYN: temporozygomatic s..

suturectomy (soo-choor-ek′to-me)
Removal of cranial suture.

SYN: succinylcholine.

Jean G., French physician, *1859. See S. gland.

Abbreviation for simian virus, numbered serially; e.g., SV1.

Symbol for simian vacuolating virus No. 40.

Abbreviation for sievert.

Theodor, Swedish chemist and Nobel laureate, 1884–1971. See S. equation, S. of flotation, S. unit.

Svedberg of flotation
SYN: flotation constant.

swab (swob)
A wad of cotton, gauze, or other absorbent material attached to the end of a stick or clamp, used for applying or removing a substance from a surface.

swage (swaj)
1. To fuse suture thread to suture needles. 2. To shape metal by hammering or adapting it onto a die, often by using a counterdie. [Old F. souage]

swallow (swawl′o)
To pass anything through the fauces, pharynx, and esophagus into the stomach; to perform deglutition. [A.S. swelgan] Gastrografin s. esophagram or upper GI series using water-soluble iodinated contrast medium. SYN: hypaque s.. hypaque s. SYN: Gastrografin s.. somatic s. a swallowing pattern with muscular contractions which appear to be under control of the person at a subconscious level; distinguished from visceral s.. visceral s. the immature swallowing pattern of an infant or a person with tongue thrust, resembling peristaltic wavelike muscular contractions observed in the gut; adult or mature swallowing is more volitional and therefore somatic.

Harold James C., U.S. cardiologist, *1922. See S.-Ganz catheter.

swarming (sworm′ing)
A progressive spreading by motile bacteria over the surface of a solid medium. [A.S. swearm]

Faye, 20th century pathologist. See Puchtler-S. stains. See Puchtler-S. stains.

sweat (swet)
1. Perspiration (3), especially sensible perspiration. 2. To perspire. [A.S. swat] night sweats profuse sweating at night, occurring in pulmonary tuberculosis and other chronic debilitating affections with low-grade fever. red s. reddening of s., especially in the axilla, due to pigment produced by Streptomyces roseofulvis. SEE ALSO: chromidrosis.


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