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Medical Dictionary


splanchnologia (splangk′no-lo′je-a)
SYN: splanchnology, splanchnology.

splanchnology (splangk-nol′o-je)
The branch of medical science dealing with the viscera. SYN: splanchnologia. [splanchno- + G. logos, study]

splanchnomegaly (splangk-no-meg′a-le)
SYN: visceromegaly. [splanchno- + G. megas, large]

splanchnomicria (splangk-no-mik′re-a)
Condition in which the splanchnic organs are of smaller than normal size. [splanchno- + G. mikros, small]

splanchnopathy (splangk-nop′a-the)
Any disease of the abdominal viscera. [splanchno- + G. pathos, disease]

splanchnopleural (splangk-no-ploor′al)
SYN: splanchnopleuric.

splanchnopleure (splangk′no-ploor)
The embryonic layer formed by association of the visceral layer of the lateral plate mesoderm with the endoderm. [splanchno- + G. pleura, side]

splanchnopleuric (splangk-no-ploor′ik)
Relating to the splanchnopleure. SYN: splanchnopleural.

splanchnoptosis, splanchnoptosia (splangk′no-to′sis, -to′se-a)
SYN: visceroptosis. [splanchno- + G. ptosis a falling]

splanchnosclerosis (splangk′no-skle-ro′sis)
Hardening, through connective tissue overgrowth, of any of the viscera. [splanchno- + G. sklerosis, hardening]

splanchnoskeletal (splangk-no-skel′e-tal)
SYN: visceroskeletal.

splanchnoskeleton (splangk-no-skel′e-ton)
SYN: visceroskeleton (2) .

splanchnosomatic (splangk′no-so-mat′ik)
SYN: viscerosomatic. [splanchno- + G. soma, body]

splanchnotomy (splangk-not′o-me)
Dissection of the viscera by incision. [splanchno- + G. tome, incision]

splanchnotribe (splangk′no-trib)
An instrument resembling a large angiotribe used for occluding the intestine temporarily, prior to resection. [splanchno- + G. tribo, to rub, bruise]

splay (spla)
1. To lay open the end of a tubular structure by making a longitudinal incision to increase its potential diameter. SEE ALSO: spatulate. 2. The rounding of the corner on the graph relating rate of renal tubular secretion or reabsorption of a substance to its arterial plasma concentration, due primarily to the fact that some nephrons reach their tubular maximum before others do.

spleen (splen) [TA]
A large vascular lymphatic organ lying in the upper part of the abdominal cavity on the left side, between the stomach and diaphragm, composed of white and red pulp; the white consists of lymphatic nodules and diffuse lymphatic tissue; the red consists of venous sinusoids between which are splenic cords; the stroma of both red and white pulp is reticular fibers and cells. A framework of fibroelastic trabeculae extending from the capsule subdivides the structure into poorly defined lobules. It is a blood-forming organ in early life and later a storage organ for red corpuscles and platelets; because of the large number of macrophages, it also acts as a blood filter, both identifying and destroying effete erythrocytes. SYN: splen [TA] , lien&star. [G. splen] accessory s. [TA] one of the small globular masses of splenic tissue occasionally found in the region of the s., in one of the peritoneal folds or elsewhere. SYN: splen accessorius [TA] , lien accessorius&star, lien succenturiatus, lienculus, lienunculus, spleneolus, spleniculus, splenule, splenulus, splenunculus. diffuse waxy s. a condition of amyloid degeneration of the s., affecting chiefly the extrasinusoidal tissue spaces of the pulp. floating s. a s. that is palpable because of excessive mobility from a relaxed or lengthened pedicle rather than because of enlargement. SYN: lien mobilis, movable s.. lardaceous s. SYN: waxy s.. movable s. SYN: floating s.. sago s. amyloidosis in the s. affecting chiefly the malpighian bodies. sugar-coated s. hyaloserositis involving the s.. waxy s. amyloidosis of the s.. SYN: lardaceous s..

splen [TA]
SYN: spleen. [G. s., spleen] s. accessorius [TA] SYN: accessory spleen.

See spleno-.

splenalgia (sple-nal′je-a)
A rarely used term for a painful condition of the spleen. SYN: splenodynia. [splen- + G. algos, pain]

Alfonso, 20th century Italian physician. See S.-Hoeppli phenomenon, Lutz-S.-Almeida disease.

splenectomy (sple-nek′to-me)
Removal of the spleen. [splen- + G. ektome, excision]

splenectopia, splenectopy (splen′ek-to′pe-a, sple-nek′to-pe)
1. Displacement of the spleen, as in a floating spleen. 2. The presence of rests of splenic tissue, usually in the region of the spleen. [splen- + G. ektopos, out of place]

splenelcosis (splen-el-ko′sis)
Abscess of the spleen. [splen- + G. helkosis, ulceration]

spleneolus (sple-ne′o-lus)
SYN: accessory spleen. [Mod. L. dim. of G. splen]

splenetic (sple-net′ik)
1. SYN: splenic. 2. Fretfully surly.

splenial (sple′ne-al)
1. Relating to the splenium. 2. Relating to a splenius muscle. [G. splenion, bandage]

splenic (splen′ik)
Relating to the spleen. SYN: lienal, splenetic (1) .

spleniculus (splen-ik′u-lus)
SYN: accessory spleen. [Mod. L.]

spleniform (splen′i-form, sple′ni-)
SYN: splenoid.

spleniserrate (splen′i-ser′at)
Relating to the splenius and serratus muscles.

splenitis (sple-ni′tis)
Inflammation of the spleen. [splen- + G. -itis, inflammation]

splenium, pl .splenia (sple′ne-um, -a)
1. A compress or bandage. 2. [TA] A structure resembling a bandaged part. [Mod. L. fr. G. splenion, bandage] s. corporis callosi [TA] SYN: s. of corpus callosum. s. of corpus callosum [TA] the thickened posterior extremity of the corpus callosum. SYN: s. corporis callosi [TA] , tuber corporis callosi.

splenius (sple′ne-us)
See s. muscle of head, s. muscle of neck. [Mod. L. fr. G. splenion, a bandage]

spleno-, splen-
The spleen. [G. splen]

splenocele (sple′no-sel)
A splenic hernia. [spleno- + G. kele, tumor, hernia]

splenocleisis (sple-no-kli′sis)
Inducing the formation of new fibrous tissue on the surface of the spleen by friction or wrapping with gauze. [spleno- + G. kleisis, closure]

splenocolic (sple′no-kol′ik)
Relating to the spleen and the colon; denoting a ligament or fold of peritoneum passing between the two viscera.

splenodynia (sple′no-din′e-a)
SYN: splenalgia. [spleno- + G. odyne, pain]

splenohepatomegaly, splenohepatomegalia (sple′no-hep′a-to-meg′a-le, -me-ga′e-a)
Enlargement of both spleen and liver. [spleno- + G. hepar, liver, + megas, large]

splenoid (sple′noyd)
Resembling the spleen. SYN: spleniform. [spleno- + G. eidos, resemblance]

splenolymphatic (sple′no-lim-fat′ik)
Relating to the spleen and the lymph nodes.

splenoma (sple-no′ma)
General nonspecific term for an enlarged spleen. [spleno- + G. -oma, tumor]

splenomalacia (sple′no-ma-la′she-a)
Softening of the spleen. [spleno- + G. malakia, softness]

splenomedullary (sple-no-med′u-lar-e)
SYN: splenomyelogenous. [spleno- + L. medulla, marrow]

splenomegaly, splenomegalia (sple-no-meg′a-le, -me-ga′le-a)
Enlargement of the spleen. SYN: megalosplenia. [spleno- + G. megas (megal-), large] congestive s. enlargement of the spleen due to passive congestion; sometimes used as a synonym for Banti syndrome. Egyptian s. term sometimes used as a synonym for schistosomiasis mansoni, although hepatomegaly and fibrosis are more consistently found than is an enlarged spleen. hemolytic s. s. associated with hemolytic jaundice. hyperreactive malarious s. a syndrome characterized by persistent s., exceptionally high serum IgM and malaria antibody levels, and hepatic sinusoidal lymphocytosis; believed to be a disturbance in the T-lymphocyte control of the humoral response to recurrent malaria. SYN: tropical s. syndrome. Niemann s. enlargement of spleen occurring in Niemann-Pick disease. tropical s. SYN: visceral leishmaniasis.

splenomyelogenous (sple′no-mi-e-loj′e-nus)
Originating in the spleen and bone marrow, denoting a form of leukemia. SYN: lienomedullary, lienomyelogenous, splenomedullary. [spleno- + G. myelos, marrow, + -gen, producing]

splenomyelomalacia (sple′no-mi′e-lo-ma-la′she-a)
Pathologic softening of the spleen and bone marrow. [spleno- + G. myelos, marrow, + malakia, softness]

splenonephric (sple′no-nef′rik)
SYN: splenorenal. [spleno- + G. nephros, kidney]

splenopancreatic (sple′no-pan-kre-at′ik)
Relating to the spleen and the pancreas. SYN: lienopancreatic.

splenopathy (sple-nop′a-the)
Any disease of the spleen. [spleno- + G. pathos, suffering]

splenopexy, splenopexia (sple′no-pek-se, sple-no-pek′se-a)
Suturing in place an ectopic or floating spleen. SYN: splenorrhaphy (2) . [spleno- + G. pexis, fixation]

splenophrenic (sple′no-fren′ik)
Relating to the spleen and the diaphragm; denoting a ligament or fold of peritoneum extending between the two structures. [spleno- + G. phren, diaphragm]

splenoportogram (sple-no-por′to-gram)
Radiographic record of the splenic and portal veins and their collaterals following direct injection of water-soluble contrast material into the spleen.

splenoportography (sple′no-por-tog′ra-fe)
Introduction of radiopaque material into the spleen to obtain radiographic visualization of the splenic and main portal veins of the portal circulation. SYN: splenic portal venography. [spleno- + portography]

splenoptosis, splenoptosia (sple-nop-to′sis, -to′se-a)
Downward displacement of the spleen, as in a floating spleen. [spleno- + G. ptosis, falling]

splenorenal (sple′no-re′nal)
Relating to the spleen and the kidney; denoting a ligament or fold of peritoneum extending between the two structures. SYN: lienorenal, splenonephric.

splenorrhagia (sple′no-ra′je-a)
Hemorrhage from a ruptured spleen. [spleno- + G. rhegnymi, to burst forth]

splenorrhaphy (sple-nor′a-fe)
1. Suturing a ruptured spleen. 2. SYN: splenopexy. [spleno- + G. rhaphe, suture]

splenosis (sple-no′sis)
Implantation and subsequent growth of splenic tissue within the abdomen as a result of disruption of the spleen. thoracic s. presense of splenic tissue in the thorax, resultant from combined thoracic and abdominal trauma followed by splenectomy.

splenotomy (sple-not′o-me)
1. Anatomy or dissection of the spleen. 2. Surgical incision of the spleen. [spleno- + G. tome, incision]

splenotoxin (sple-no-tok′sin)
A cytotoxin specific for cells of the spleen. [spleno- + G. toxikon, poison]

splenule (splen′ul)
SYN: accessory spleen. [Mod. L. splenulus]

splenulus, pl .splenuli (splen′u-loos, -li)
SYN: accessory spleen. [Mod. L. dim. of L. splen, spleen]

splenunculus, pl .splenunculi (sple-nung′ku-lus, -li)
SYN: accessory spleen. [Mod. L. dim. of L. splen, spleen]

spliceosome (spli′se-o-som)
A specialized structure that participates in the removal of introns and resplicing of remaining exons of mRNA; in addition to the mRNA primary transcript, at least four small nuclear RNAs (snRNAs) and some proteins are involved. [splice + -some]

splicing (splis′ing)
1. Attachment of one DNA molecule to another. SYN: gene s.. 2. Removal of introns from mRNA precursors and the reattachment or annealing of exons. SYN: RNA s.. alternative s. different ways of assembling exons to produce different mature mRNAs.

1. An appliance for preventing movement of a joint or for the fixation of displaced or movable parts. 2. The s. bone, or fibula. [Middle Dutch splinte] acid etch cemented s. a s. of heavy wire which is cemented to the labial surfaces of teeth with any of the acid etch cement techniques; used to stabilize traumatically displaced or periodontally diseased teeth. active s. SYN: dynamic s.. air s. a plastic s. inflated by air used to immobilize part or all of an extremity. SYN: inflatable s.. airplane s. a complicated s. that holds the arm in abduction at about shoulder level with the forearm midway in flexion, generally with an axillary strut for support. anchor s. a s. used for fracture of the jaw, with wires around the teeth and a rod to hold it in place. Anderson s. a contained skeletal traction s. with pins inserted into proximal and distal ends of a fracture; reduction is obtained by an external rod attached to the pins; also referred to as external fixation. backboard s. a board s. with slots for fixation of the body by straps; shorter ones are used for neck injuries, longer ones for back injuries. Balkan s. SYN: Balkan frame. cap s. a plastic or metallic fracture appliance designed to cover the crowns of the teeth and usually cemented to them. coaptation s. a short s. designed to prevent overriding of the ends of a fractured bone, usually supplemented by a longer s. to fix the entire limb. Most commonly used for repair of fractures of the humeral shaft. Cramer wire s. SYN: ladder s.. Denis Browne s. a light aluminum s. applied to the lateral aspect of the leg and foot; used for torsional deformities of the leg, ankle, or foot in children. dynamic s. a s. utilizing springs or elastic bands that aids in movements initiated by the patient by controlling the plane and range of motion. SYN: active s., functional s. (1) . Essig s. a stainless steel wire passed labially and lingually around a segment of the dental arch and held in position by individual ligature wires around the contact areas of the teeth; used to stabilize fractured or repositioned teeth and the involved alveolar bone. Frejka pillow s. a pillow s. used for abduction and flexion of the femurs in treatment of congenital hip dysplasia or dislocation in infants. functional s. 1. SYN: dynamic s.. 2. the joining of two or more teeth into a rigid unit by means of fixed restorations that cover all or part of the abutment teeth. Gunning s. a prosthesis fabricated from models of endentulous maxillary and mandibular arches in order to aid in reduction and fixation of a fracture. inflatable s. SYN: air s.. interdental s. a s. for a fractured jaw, consisting of two metal or acrylic resin bands wired to the teeth of the upper and lower jaws, respectively, and then fastened together to keep the jaws immovable. Kingsley s. a winged maxillary s. used to apply traction to reduce maxillary fractures as well as immobilize them by having the wings attached to a head appliance by elastics. SYN: reverse Kingsley s.. labial s. an appliance of plastic, metal, or in combination, made to conform to the outer aspect of the dental arch and used in the management of jaw and facial injuries. ladder s. a flexible s. consisting of two stout parallel wires with finer cross wires. SYN: Cramer wire s.. lingual s. one similar to the labial s., but conforming to the inner aspect of the dental arch. plaster s. a s. constructed of bandages impregnated with plaster of Paris. reverse Kingsley s. SYN: Kingsley s.. Stader s. a s. used primarily in veterinary medicine; with metal pins through the proximal and distal segments of a long bone fracture, the fixation of the pins is maintained by the apparatus, which is external to the limb. surgical s. general term for a device used to maintain tissues in a new position following surgery. Taylor s. SYN: Taylor back brace. Thomas s. a long leg s. extending from a ring at the hip to beyond the foot, allowing traction to a fractured leg, for emergencies and transportation. Tobruk s. a Thomas s., applied and held in plaster with plaster of Paris dressings; a s. first used during World War II to immobilize the limb during hazardous conditions such as transport from small to large boats. [port of Tobruk, Libya] wire s. a device to stabilize teeth loosened by accident or by a periodontal condition in the maxilla or mandible; a device to reduce and stabilize maxillary or mandibular fractures by applying it to both jaws and connecting it by intermaxillary wires or rubber bands.

1. Application of a splint or treatment using a splint. 2. In dentistry, the joining of two or more teeth into a rigid unit by means of fixed or removable restorations or appliances. 3. Stiffening of a body part to avoid pain caused by movement of the part, as from a fracture or other injury. 4. In psychiatry, the exercise by family, friends, or coworkers of the various strategies designed to minimize the impairment and increase the function of a person with diminished higher cortical function.


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