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Medical Dictionary - Dictionary of Medicine and Human Biology


Medical Dictionary


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


perirhinal (per′i-ri′nal)
Around the nose or nasal cavity. [peri- + G. rhis, nose]

perirhizoclasia (per′e-ri-zo-kla′ze-a)
Inflammatory destruction of tissues immediately around the root of a tooth, i.e., pericementum, cementum, and approximating layers of alveolar bone. [peri- + G. rhiza, root, + klasis, destruction]

perisalpingitis (per-i-sal-pin-ji′tis)
Inflammation of the peritoneum covering the fallopian tube. [peri- + G. salpinx, trumpet, + -itis, inflammation]

perisalpingoovaritis (per′i-sal-ping′go-o-va-ri′tis)
SYN: perioophorosalpingitis. [peri- + G. salpinx, trumpet, + ovary + G. -itis, inflammation]

perisalpinx (per′i-sal′pingks)
The peritoneal covering of the uterine tube. [peri- + G. salpinx (salping-), trumpet]

periscopic (per′i-skop′ik)
Denoting that which gives the ability to see objects to one side as well as in the direct axis of vision. [peri- + G. skopeo, to view]

perisigmoiditis (per′i-sig-moy-di′tis)
Inflammation of the connective tissues surrounding the sigmoid flexure, giving rise to symptoms, referable to the left iliac fossa, similar to those of perityphlitis in the right iliac fossa. SYN: pericolitis sinistra.

perisinuous (per′i-sin′u-us)
Surrounding a sinus, especially a sinus of the dura mater.

perispermatitis (per′i-sper-ma-ti′tis)
Inflammation of the tissues around the spermatic cord. p. serosa hydrocele of the spermatic cord.

perisplanchnic (per′i-splangk′nik)
Surrounding any viscus or viscera. SYN: perivisceral. [peri- + G. splanchna, viscera]

perisplanchnitis (per′i-splangk-ni′tis)
Inflammation surrounding any viscus or viscera. [peri- + G. splanchna, viscera, + -itis, inflammation]

perisplenic (per-i-splen′ik)
Around the spleen.

perisplenitis (per′i-sple-ni′tis)
Inflammation of the peritoneum covering the spleen.

perispondylic (per-i-spon-dil′ik)
SYN: perivertebral. [peri- + G. spondylos, vertebra]

perispondylitis (per-i-spon-di-li′tis)
Inflammation of the tissues about a vertebra. [peri- + G. spondylos, vertebra, + -itis, inflammation]

peristalsis (per-i-stal′sis)
The movement of the intestine or other tubular structure, characterized by waves of alternate circular contraction and relaxation of the tube by which the contents are propelled onward. SYN: vermicular movement. [peri- + G. stalsis, constriction] mass p. forcible peristaltic movements of short duration, occurring only three or four times a day, which move the contents of the large intestine from one division to the next, as from the ascending to the transverse colon. SYN: mass movement. reversed p. a wave of intestinal contraction in a direction the reverse of normal, by which the contents of the intestine are forced backward. SYN: antiperistalsis.

peristaltic (per-i-stal′tik)
Relating to peristalsis.

peristasis (pe-ris′ta-sis)
Phases of inactivity of vasoconstriction in inflammation. SYN: peristatic hyperemia. [peri- + G. stasis, a standing still]

peristole (pe-ris′to-le)
The tonic activity of the walls of the stomach whereby the organ contracts about its contents; contrasting with the peristaltic waves passing from the cardia toward the pylorus (peristalsis). [peri- + G. stello, to contract]

peristolic (per-i-stol′ik)
Relating to peristole.

peristoma (pe-ris′to-ma, per-i-sto′ma)
SYN: peristome.

peristomal, peristomatous (per′i-sto′mal, -sto′ma-tus)
SYN: perioral.

peristome (per′i-stom)
A groove leading from the cytostome in ciliates and certain other forms of protozoa. SYN: peristoma. [peri- + G. stoma, mouth]

peristrumous (per′i-stroo′mus)
Situated about or near a goiter. [peri- + L. struma, goiter]

perisynovial (per′i-si-no′ve-al)
Around a synovial membrane.

perisystolic (per-i-sis-tol′ik)
Descriptive of events occurring before and after ventricular systole.

peritectomy (per′i-tek′to-me)
1. The removal of a paracorneal strip of the conjunctiva for the relief of corneal disease. 2. SYN: circumcision (2) . [peri- + G. ektome, excision]

peritendineum, pl .peritendinea (per-i-ten-din′e-um, -e-u)
One of the fibrous sheaths surrounding the primary bundles of fibers in a tendon. [L. fr. peri- + G. tenon, tendon]

peritendinitis (per′i-ten-di-ni′tis)
Inflammation of the sheath of a tendon. SYN: peritenonitis, peritenontitis. p. calcarea a calcium (chalky) deposit around a tendon. p. serosa SYN: ganglion (2) .

peritenon (per′i-ten-on)
SYN: tendinous sheath of extensor carpi ulnaris muscle. [peri- + G. tenon, tendon]

peritenontitis (per′i-ten-on-ti′tis)
SYN: peritendinitis.

perithecium, pl .perithecia (per-i-the′se-um, -se-a)
In fungi, a flask-shaped ascocarp, one of the many shapes of structures that bear asci and ascospores; useful as an aid in identifying a fungus. [peri- + G. theke, flask]

perithelium, pl .perithelia (per-i-the′le-um, -a)
The connective tissue that surrounds smaller vessels and capillaries. [peri- + G. thele, nipple] Eberth p. an incomplete layer of connective tissue cells encasing the blood capillaries.

perithoracic (per-i-tho-ras′ik)
Surrounding or encircling the thorax.

perithyroiditis (per′i-thi-roy-di′tis)
Inflammation of the capsule or tissues surrounding the thyroid gland.

peritomist (pe-rit′o-mist)
One who performs circumcision.

peritomy (pe-rit′o-me)
A circumcorneal incision through the conjunctiva. [G. peritome, fr. peri, around, + tome, incision]

peritoneal (per′i-to-ne′al)
Relating to the peritoneum.

peritonealgia (per′i-to-ne-al′je-a)
A rarely used term for pain in the peritoneum. [peritoneum + G. algos, pain]

peritoneo-
The peritoneum. [L. peritoneum]

peritoneocentesis (per′i-to-ne′o-sen-te′sis)
Paracentesis of the abdomen. [peritoneum + G. kentesis, puncture]

peritoneoclysis (per′i-to-ne-ok′li-sis)
Irrigation of the abdominal cavity. [peritoneum, + G. klysis, a washing out]

peritoneopathy (per′i-to-ne-op′a-the)
A rarely used term for inflammation or other disease of the peritoneum. [peritoneum, + pathos, suffering]

peritoneopericardial (per′i-to-ne′o-per′i-kar′de-al)
Relating to the peritoneum and the pericardium.

peritoneopexy (per′i-to-ne′o-pek-se)
A suspension or fixation of the peritoneum. [peritoneum + G. pexis, fixation]

peritoneoplasty (per′i-to-ne′o-plas-te)
Loosening adhesions and covering the raw surfaces with peritoneum to prevent reformation. [peritoneum + G. plastos, formed]

peritoneoscope (per′i-to-ne′o-skop)
SYN: laparoscope. [peritoneum + G. skopeo, to view]

peritoneoscopy (per′i-to-ne-os′ko-pe)
Examination of the contents of the peritoneum with a peritoneoscope passed through the abdominal wall. See laparoscopy. SYN: celioscopy, ventroscopy.

peritoneotomy (per′i-to-ne-ot′o-me)
Incision of the peritoneum. [peritoneum + G. tome, incision]

peritoneum, pl .peritonea (per′i-to-ne′um, -a) [TA]
The serous sac, consisting of mesothelium and a thin layer of irregular connective tissue, that lines the abdominal cavity and covers most of the viscera contained therein; it forms two sacs: the peritoneal (or greater) sac and the omental bursa (lesser sac) connected by the epiploic foramen. SYN: membrana abdominis. [Mod. L. fr. G. peritonaion, fr. periteino, to stretch over] parietal p. [TA] the layer of p. lining the abdominal walls. SYN: p. parietale [TA] . p. parietale [TA] SYN: parietal p.. urogenital p. [TA] p. of the pelvic cavity, including the folds and fossae formed by it. SYN: p. urogenitale [TA] . p. urogenitale [TA] SYN: urogenital p.. visceral p. [TA] the layer of p. investing the abdominal organs. SYN: p. viscerale [TA] . p. viscerale [TA] SYN: visceral p..

peritonitis (per′i-to-ni′tis)
Inflammation of the peritoneum. adhesive p. a form of p. in which a fibrinous exudate occurs, matting together the intestines and various other organs. benign paroxysmal p. SYN: familial paroxysmal polyserositis. bile p. inflammation of the peritoneum caused by the escape of bile into the free peritoneal cavity. SYN: choleperitonitis. chemical p. p. due to the escape of bile, contents of the gastrointestinal tract, or pancreatic juice into the peritoneal cavity; the contents of the fluid causes chemical injury, shock, and peritoneal exudation prior to occurrence of any associated infection. chyle p. p. due to free chyle in the peritoneal cavity. circumscribed p. SYN: localized p.. p. deformans a chronic p. in which thickening of the membrane and contracting adhesions cause shortening of the mesentery and kinking and retraction of the intestines. diaphragmatic p. p. affecting mainly the peritoneal surface of the diaphragm. diffuse p. SYN: general p.. p. encapsulans a localized fibrous or adhesive p. remaining after a generalized p. has nearly disappeared; it is marked by pain, constipation, and a palpable tumor. fibrocaseous p. p. characterized by caseation and fibrosis, usually caused by the tubercle bacillus. gas p. inflammation of the peritoneum accompanied by an intraperitoneal accumulation of gas. general p. p. throughout the peritoneal cavity. SYN: diffuse p.. localized p. p. confined to a demarcated region of the peritoneal cavity. SYN: circumscribed p.. meconium p. p. caused by intestinal perforation in the fetus or newborn; associated with congenital obstruction or due to cystic fibrosis. pelvic p. generalized inflammation of the peritoneum surrounding the uterus and fallopian tubes. SYN: pelvioperitonitis, pelviperitonitis. periodic p. SYN: familial paroxysmal polyserositis. productive p. SYN: pachyperitonitis. tuberculous p. p. caused by the tubercle bacillus.

peritonsillar (per′i-ton′si-lar)
Around a tonsil or the tonsils.

peritonsillitis (per′i-ton′si-li′tis)
Inflammation of the connective tissue above and behind the tonsil.

peritracheal (per-i-tra′ke-al)
About the trachea.

peritrichal, peritrichate, peritrichic (pe-rit′ri-kal, -rit′ri-kat, per-i-trik′ik)
SYN: peritrichous (2) .

Peritrichida (per-i-trik′i-da)
An order of ciliates (subclass Peritrichia, phylum Ciliophora) characterized by a cylindrical shape with the cilia usually limited to the zone surrounding the mouth opening; includes the suborder Mobilina, whose members are all ecto- or endoparasites of aquatic invertebrates and vertebrates, of which the genus Trichodina includes economically important gill parasites of fish. [peri- + G. thrix, hair]

peritrichous (pe-rit′ri-kus)
1. Relating to cilia or other appendicular organs projecting from the periphery of a cell. 2. Having flagella uniformly distributed over a cell; used especially with reference to bacteria. SYN: peritrichal, peritrichate, peritrichic. [peri- + G. thrix, hair]

peritrochanteric (per′i-tro′kan-ter′ik)
Around a trochanter.

perityphlic (per′i-tif′lik)
SYN: pericecal. [peri- + G. typhlon, cecum]

perityphlitis (per′i-tif-li′tis)
Inflammation of the peritoneum surrounding the cecum. p. actinomycotica (per′i-tif-li-tis ak′ti-no-mi-kot-i-ka) abdominal infection, predominantly around the cecum, with Actinomycetes, usually Actinomyces israelii.

periumbilical (per′i-um-bil′i-kal)
Around or near the umbilicus. SYN: periomphalic.

periungual (per′i-ung′gwal)
Surrounding a nail; involving the nail folds. [peri- + L. unguis, nail]

periureteral, periureteric (per′i-u-re′ter-al, -u′re-ter′ik)
Surrounding one or both ureters.

periureteritis (per′i-u-re′ter-i′tis)
Inflammation of the tissues about a ureter. [peri- + ureter + G. -itis, inflammation] p. plastica SYN: retroperitoneal fibrosis.

periurethral (per′i-u-re′thral)
Surrounding the urethra.

periurethritis (per′i-u-re-thri′tis)
Inflammation of the tissues about the urethra. [peri- + urethra + G. -itis, inflammation]

periuterine (per′i-u′ter-in)
SYN: perimetric (1) .

periuvular (per′i-u′vu-lar)
Around the uvula.




A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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