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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

splenic apoplexy
Peracute anthrax often seen in ruminants, in which death occurs very quickly after the appearance of the first signs of the disease; grossly enlarged spleen and capillary haemorrhages are often the only lesions. ... (05 Mar 2000) ...

splenic artery
<anatomy, artery> The largest branch of the coeliac trunk with distribution to the spleen, pancreas, stomach and greater omentum. ... (12 Dec 1998) ...

splenic branches of splenic artery
<anatomy, artery> Branches of proper splenic arteries; splenic artery entering spleen at hilum. ... Synonym: rami splenici arteriae splenicae, rami lienales arteriae lienalis. ... (05 Mar 2000) ...

splenic cells
Large round ameboid cell's (macrophages) in the splenic pulp. ... (05 Mar 2000) ...

splenic cords
The tissue occurring between the venous sinuses in the spleen. ... Synonym: Billroth's cords, red pulp cords. ... (05 Mar 2000) ...

splenic corpuscles
Synonym for splenic lymph follicles ... Small nodular masses of lymphoid tissue attached to the sides of the smaller arterial branches. ... Synonym: folliculi lymphatici lienales, malpighian bodies, malpighian corpuscles, malpighian glands, malpighian nodules, splenic corpuscles, splenic lymph nodules. ... (05 Mar 2000) ...

splenic fever
Known also as anthrax, splenic fever is a serious bacterial infection. It is not primarily a human disease but rather an infection of animals. Cattle, sheep, horses, mules, and some wild animals are highly susceptible. Humans (and swine) are generally resistant to anthrax. Anthrax can take different forms. With the lung form of the disease. People …

splenic flexure
Synonym for left colic flexure ... The bend at the junction of the transverse and descending colon. ... Synonym: flexura coli sinistra, splenic flexure. ... (05 Mar 2000) ...

splenic flexure narrowing
<radiology> Colon carcinoma, amebic dysentery, TB, endometriosis, pancreatitis / pancreatic carcinoma ... (12 Dec 1998) ...

splenic flexure syndrome
<syndrome> Symptoms of pain, gas, bloating, a sense of fullness experienced in the left upper abdominal quadrant, sometimes beneath the ribs, in some instances radiating upward, and in some instances producing anterior chest pain central or predominantly on the left. It may be induced experimentally by the introduction and trapping of air in …

splenic index
A rough indication of the salubrity, or the reverse, in regard to malaria of a particular district, judged by the relative absence or prevalence of enlarged spleens among the population. ... (05 Mar 2000) ...

splenic infarction
Cell death (necrosis) of a portion or all of the spleen due to an interruption in blood flow. ... (27 Sep 1997) ...

splenic leukaemia
A form of leukaemia in which there is an unusually great degree of enlargement of the spleen, as observed frequently in chronic granulocytic leukaemia. ... (05 Mar 2000) ...

splenic lymph follicles
Small nodular masses of lymphoid tissue attached to the sides of the smaller arterial branches. ... Synonym: folliculi lymphatici lienales, malpighian bodies, malpighian corpuscles, malpighian glands, malpighian nodules, splenic corpuscles, splenic lymph nodules. ... (05 Mar 2000) ...

splenic lymph nodes
Nodes near the hilum of the spleen; they receive afferents from the spleen and stomach, and send efferents to the pancreatic-postsplenic and coeliac nodes. ... Synonym: nodi lymphatici splenici, nodi lymphatici lienales. ... (05 Mar 2000) ...

splenic lymph nodules
Synonym for splenic lymph follicles ... Small nodular masses of lymphoid tissue attached to the sides of the smaller arterial branches. ... Synonym: folliculi lymphatici lienales, malpighian bodies, malpighian corpuscles, malpighian glands, malpighian nodules, splenic corpuscles, splenic lymph nodules. ... (05 Mar 2000) ...

splenic plexus
The plexus of autonomic nerves along the splenic artery. ... Synonym: plexus lienalis, plexus splenicus. ... (05 Mar 2000) ...

splenic portal venography
Synonym for splenoportography ... Introduction of radiopaque material into the spleen to obtain an X-ray visualization of the portal vessel of the portal circulation. ... Synonym: splenic portal venography. ... Origin: spleno-+ portography ... (05 Mar 2000) ...

splenic pulp
The soft cellular substance of the spleen. ... Synonym: pulpa splenica, pulpa lienis. ... (05 Mar 2000) ...

splenic recess
The extension of the omental bursa toward the hilum of the spleen. ... Synonym: recessus splenicus, recessus lienalis. ... (05 Mar 2000) ...

splenic rupture
A term usually used to describe the result of blunt injury to the spleen. In this case, there will be laceration and haemorrhage from the spleen. This type of injury is most often seen in motor vehicle accidents. A rare form of spontaneous splenic rupture has been known to occur with mononucleosis and other disease processes which cause splenic enl …

splenic sinus
An elongated venous channel, 12 to 40 um wide, lined by rod-shaped cells. ... Synonym: sinus lienis. ... Straight sinus, an unpaired dural venous sinus in the posterior part of the falx cerebri where it is attached to the tentorium cerebelli; it is formed anteriorly by the merging of the great cerebral vein with the inferior sagittal sinus, and passe …

splenic vein
<anatomy, vein> Vein formed by the union (at the hilus of the spleen) of several small veins from the stomach, pancreas, spleen and mesentery. ... (12 Dec 1998) ...

spleniculus
Synonym: accessory spleen. ... Origin: Mod. L. ... (05 Mar 2000) ...

spleniserrate
Relating to the splenius and serratus muscles. ... (05 Mar 2000) ...

splenium corporis callosi
Synonym for splenium of corpus callosum ... The thickened posterior extremity of the corpus callosum. ... Synonym: splenium corporis callosi. ... (05 Mar 2000) ...

splenium of corpus callosum
The thickened posterior extremity of the corpus callosum. ... Synonym: splenium corporis callosi. ... (05 Mar 2000) ...

splenius capitis
<anatomy, muscle> Origin, from ligamentum nuchae of last four cervical vertebrae and supraspinous ligament of first and second thoracic vertebrae; insertion, lateral half of superior nuchal line and mastoid process; action, rotates head and extends neck; nerve supply, dorsal primary rami of second to sixth cervical spinal nerves. ... Synonym: …

splenius cervicis
<anatomy, muscle> Origin, from supraspinous ligament and spinous processes of third to fifth thoracic vertebrae; insertion, posterior tubercles of transverse processes of first and second (sometimes third) cervical vertebrae; action, rotates and extends neck; nerve supply, dorsal primary rami of fourth to eighth cervical spinal nerves. ... Syn …

splenius muscle of head
Synonym for splenius capitis ... <anatomy, muscle> Origin, from ligamentum nuchae of last four cervical vertebrae and supraspinous ligament of first and second thoracic vertebrae; insertion, lateral half of superior nuchal line and mastoid process; action, rotates head and extends neck; nerve supply, dorsal primary rami of second to sixth cerv …

splenius muscle of neck
Synonym for splenius cervicis ... <anatomy, muscle> Origin, from supraspinous ligament and spinous processes of third to fifth thoracic vertebrae; insertion, posterior tubercles of transverse processes of first and second (sometimes third) cervical vertebrae; action, rotates and extends neck; nerve supply, dorsal primary rami of fourth to eigh …

spleno-
Splen- ... The spleen. ... Origin: G. Splen ... (05 Mar 2000) ...

splenocleisis
Inducing the formation of new fibrous tissue on the surface of the spleen by friction or wrapping with gauze. ... Origin: spleno-+ G. Kleisis, closure ... (05 Mar 2000) ...

splenocolic
Relating to the spleen and the colon; denoting a ligament or fold of peritoneum passing between the two viscera. ... (05 Mar 2000) ...

splenocyte
<haematology, pathology> Phagocytic cells (macrophages) of the spleen are usually meant by this vague term. ... (18 Nov 1997) ...

splenodynia
Synonym: splenalgia. ... Origin: spleno-+ G. Odyne, pain ... (05 Mar 2000) ...

splenogonadal fusion
The formation of a mass consisting of splenic and testicular or ovarian tissue. ... (05 Mar 2000) ...

splenohepatomegaly
Splenohepatomegalia ... Enlargement of both spleen and liver. ... Origin: spleno-+ G. Hepar, liver, + megas, large ... (05 Mar 2000) ...

splenolymphatic
Relating to the spleen and the lymph nodes. ... (05 Mar 2000) ...

splenoma
General non-specific term for an enlarged spleen. ... Synonym: splenocele, splenoncus. ... Origin: spleno-+ G. -oma, tumour ... (05 Mar 2000) ...

splenomalacia
Softening of the spleen. ... Origin: spleno-+ G. Malakia, softness ... (05 Mar 2000) ...

splenomedullary
Synonym: splenomyelogenous. ... Origin: spleno-+ L. Medulla, marrow ... (05 Mar 2000) ...

splenomegaly
<clinical sign> Enlargement of the spleen. ... Origin: Gr. Megas = large ... (18 Nov 1997) ...

splenomyelogenous
Originating in the spleen and bone marrow, denoting a form of leukaemia. ... Synonym: lienomedullary, lienomyelogenous, splenomedullary. ... Origin: spleno-+ G. Myelos, marrow, + -gen, producing ... (05 Mar 2000) ...

splenomyelomalacia
Pathologic softening of the spleen and bone marrow. ... Origin: spleno-+ G. Myelos, marrow, + malakia, softness ... (05 Mar 2000) ...

splenoncus
Synonym: splenoma. ... Origin: spleno-+ G. Onkos, mass ... (05 Mar 2000) ...

splenonephric
Synonym: splenorenal. ... Origin: spleno-+ G. Nephros, kidney ... (05 Mar 2000) ...

splenopancreatic
Relating to the spleen and the pancreas. ... Synonym: lienopancreatic. ... (05 Mar 2000) ...

splenopathy
Any disease of the spleen. ... Origin: spleno-+ G. Pathos, suffering ... (05 Mar 2000) ...

splenopexy
Suturing in place an ectopic or floating spleen. ... Synonym: splenorrhaphy. ... Origin: spleno-+ G. Pexis, fixation ... (05 Mar 2000) ...

splenophrenic
Relating to the spleen and the diaphragm; denoting a ligament or fold of peritoneum extending between the two structures. ... Origin: spleno-+ G. Phren, diaphragm ... (05 Mar 2000) ...

splenoportogram
Radiographic record of the splenic and portal veins and their collaterals following direct injection of water-soluble contrast materials into the spleen. ... (05 Mar 2000) ...

splenoportography
Introduction of radiopaque material into the spleen to obtain an X-ray visualization of the portal vessel of the portal circulation. ... Synonym: splenic portal venography. ... Origin: spleno-+ portography ... (05 Mar 2000) ...

splenoptosis
Downward displacement of the spleen, as in a floating spleen. ... Origin: spleno-+ G. Ptosis, falling ... (05 Mar 2000) ...

splenorenal
Relating to the spleen and the kidney; denoting a ligament or fold of peritoneum extending between the two structures. ... Synonym: lienorenal, splenonephric. ... (05 Mar 2000) ...

splenorenal ligament
<anatomy> A peritoneal fold (portion of the greater omentum) which extends from the diaphragm and the anterior aspect of the left kidney to the hilar region of the spleen, conducting the splenic vessels from the posterior body wall to the spleen. ... Synonym: ligamentum lienorenale, ligamentum phrenicolienale, ligamentum splenorenale, lienophr …

splenorenal shunt
Anastomosis of the splenic vein to the left renal vein, usually end-to-side, for control of portal hypertension. ... Synonym: renal-splenic venous shunt. ... (05 Mar 2000) ...

splenorenal shunt, surgical
Anastomosis of splenic vein to renal vein to relieve portal hypertension. ... (12 Dec 1998) ...

splenorrhagia
Haemorrhage from a ruptured spleen. ... Origin: spleno-+ G. Rhegnymi, to burst forth ... (05 Mar 2000) ...

splenorrhaphy
1. Suturing a ruptured spleen. ... Synonym: splenopexy. ... Origin: spleno-+ G. Rhaphe, suture ... (05 Mar 2000) ...

splenosis
The spontaneous transplantation of splenic tissue to unusual sites after open splenic trauma, e.g., after automobile accidents, gunshot or stab wounds. The splenic pulp implants appear as red-blue nodules on the peritoneum, omentum, and mesentery, morphologically similar to multifocal pelvic endometriosis. ... (12 Dec 1998) ...

splenotoxin
A cytotoxin specific for cells of the spleen. ... Origin: spleno-+ G. Toxikon, poison ... (05 Mar 2000) ...

splenule
Synonym for accessory spleen ... <radiology> Found in 10% of normal population, clinically important in: haemolytic anaemia, ITP, hereditary spherocytosis, may cause relapse s/p splenectomy, none found larger than 2.5 cm ... (12 Dec 1998) ...

splenulus
Synonym for accessory spleen ... <radiology> Found in 10% of normal population, clinically important in: haemolytic anaemia, ITP, hereditary spherocytosis, may cause relapse s/p splenectomy, none found larger than 2.5 cm ... (12 Dec 1998) ...

splenunculus
Synonym for accessory spleen ... <radiology> Found in 10% of normal population, clinically important in: haemolytic anaemia, ITP, hereditary spherocytosis, may cause relapse s/p splenectomy, none found larger than 2.5 cm ... (12 Dec 1998) ...

spliceosome
<molecular biology> A complex of small nuclear organelles in which the splicing and excision reactions that remove introns from precursor messenger RNA molecules occur. ... One component of a spliceosome are small nuclear RNA molecules (u1, u2, u4, u5, u6) that collaborate with proteins, to help create RNA structures (snurps) that participate …

splicing
<molecular biology> The process by which introns are removed from hnRNA to produce mature messenger RNA that contains only exons. Alternative splicing seems to occur in many proteins and by alternative exon usage a set of related proteins can be generated from one gene, often in a tissue or developmental stage specific manner. ... (18 Nov 1997 …

splicing endonuclease
<enzyme> Cleaves intervening sequences of precursors tRNA, which are then joined by an RNA ligase ... Registry number: EC 3.1.27.- ... Synonym: pre-tRNA splicing endonuclease, tRNA splicing endonuclease, splicing endonuclease (xenopus), 3'-pre-tRNA endonuclease, tRNA-splicing endonuclease ... (26 Jun 1999) ...

splint
A rigid device of plastic, wood or plaster that serves to immobilize an injury. Generally placed along the posterior aspect of an injured limb. ... (27 Sep 1997) ...

splint bone
The second or fourth, or internal or external small metacarpal bone's in the horse; these are splinter-like in shape and lie on either side of the metacarpal or cannon bone. ... Synonym: fibula. ... (05 Mar 2000) ...

splinted abutment
The joining of two or more teeth into a rigid unit by means of fixed restorations to form a single abutment with multiple roots. ... (05 Mar 2000) ...

splinter
1. To split or rend into long, thin pieces; to shiver; as, the lightning splinters a tree. 'After splintering their lances, they wheeled about, and . . . Abandoned the field to the enemy.' (Prescott) ... 2. To fasten or confine with splinters, or splints, as a broken limb. ... Origin: Cf. LG. Splittern, splinteren. See Splint, Split. ... A thin piece …

splinter haemorrhages
Multiple tiny longitudinal subungual haemorrhages typically seen in but not diagnostic of bacterial endocarditis, trichinelliasis, etc. ... (05 Mar 2000) ...

splintered fracture
A comminuted fracture in which the fragments are long and sharp-pointed. ... (05 Mar 2000) ...

splinting
The immobilisation of a joint or injury site so that healing can take place. Many bony fractures are splinted in the first 24-48 hours to accommodate for swelling, prior to the application of a rigid circular (plaster) cast. ... (27 Sep 1997) ...

splints
Rigid or flexible appliances used to maintain in position a displaced or movable part or to keep in place and protect an injured part. ... (12 Dec 1998) ...

split
1. To divide lengthwise; to separate from end to end, especially. By force; to divide in the direction of the grain layers; to rive; to cleave; as, to split a piece of timber or a board; to split a gem; to split a sheepskin. 'Cold winter split the rocks in twain.' (Dryden) ... 2. To burst; to rupture; to rend; to tear asunder. 'A huge vessel of exce …

split brain
A brain in which the corpus callosum and usually the anterior and posterior commissures have been sectioned; usually to treat certain refractory epilepsies. ... (05 Mar 2000) ...

split cast method
A procedure for placing indexed casts on an articulator to facilitate their removal and replacement on the instrument, the procedure of checking the ability of an articulator to receive or be adjusted to a maxillomandibular relation record. ... Synonym: Needles' split cast method. ... (05 Mar 2000) ...

split cast mounting
A cast with key grooves on its base, mounted on an articulator for the purpose of easy removal and accurate replacement; split remounting metal plates may be used instead of grooves in casts, a means for testing the accuracy of articulator adjustment. ... (05 Mar 2000) ...

split fat
Free fatty acids, as reduced by the action of lipases, neutral fats, or phospholipids. ... (05 Mar 2000) ...

split gene
Synonym for introns ... Non-coding, intervening sequences of DNA that are transcribed, but are removed from within the primary gene transcript and rapidly degraded during maturation of messenger RNA. most genes in the nuclei of eukaryotes contain introns, as do mitochondrial and chloroplast genes. ... (12 Dec 1998) ...

split genes
Genes where the genomic sequences are interrupted by intervening sequences (introns) that are spliced out of the mRNA prior to translation. ... (05 Mar 2000) ...

split hand
Synonym for cleft hand ... A congenital deformity in which the division between the fingers, especially between the third and fourth, extends into the metacarpal region. ... See: lobster-claw deformity. ... Synonym: main fourchee, split hand. ... (05 Mar 2000) ...

split pelvis
A pelvis in which the symphysis pubis is absent, the pelvic bones being separated by quite an interval; usually associated with exstrophy of the bladder. ... (05 Mar 2000) ...

split ratio
The fraction of the cells in a fully grown culture of animal cells that should be used to start a subsequent culture. Minimum may be dictated by medium inadequacies that result in poor growth of some cells at high dilution. ... (18 Nov 1997) ...

split renal function test
Synonym for differential ureteral catheterization test ... A study performed to determine various functional parameters of one kidney compared to the contralateral kidney; ureteral catheters are inserted at cystoscopy into the ureter or renal pelvis bilaterally, and simultaneous measurements are made of urine flow rate, insulin, or PAH (if infused), …

split tolerance
Synonym for immune deviation ... Modification of an immune response to an antigen after prior exposure to that antigen. ... Synonym: split tolerance. ... (05 Mar 2000) ...

split-skin graft
Synonym for split-thickness graft ... A graft of portions of the skin, i.e., the epidermis and part of the dermis, or of part of the mucosa and submucosa, but not including the periosteum. ... Synonym: partial-thickness graft, split-skin graft. ... (05 Mar 2000) ...

split-thickness flap
A flap of a portion of the skin, i.e., the epidermis and part of the dermis, or of part of the mucosa and submucosa, but not including the periosteum. ... Synonym: partial-thickness flap. ... (05 Mar 2000) ...

split-thickness graft
A graft of portions of the skin, i.e., the epidermis and part of the dermis, or of part of the mucosa and submucosa, but not including the periosteum. ... Synonym: partial-thickness graft, split-skin graft. ... (05 Mar 2000) ...

split-virus vaccine
Synonym for subunit vaccine ... <pharmacology> A vaccine composed of a purified antigenic determinant that is separated from the disease-causing organism. ... (06 Mar 1998) ...

splitting
In chemistry, the cleavage of a covalent bond, fragmenting the molecule involved. ... (05 Mar 2000) ...

splitting enzymes
Enzyme's that, like aldolases, catalyze the conversion of a molecule into two smaller molecules without the addition or subtraction of any atoms. ... (05 Mar 2000) ...

splitting of heart sounds
The production of major components of the first and second heart sounds (rarely the third and fourth) due to contribution by the left-sided and right-sided valves; thus, the first heart sound would have a mitral and a tricuspid component and the second heart sound has an aortic and pulmonic component. The latter are best appreciated during respirat …

SPM
Synonym for Scanning Probe Microscopy ... <technique> Initially called Atomic Force Microscopy, this technique is now more typically termed Scanning Force Microscopy or Scanning Probe Microscopy. ... This instrument is essentially an extremely high resolution profilometre. A sharp tip, typically fabricated from silicon nitride, is scanned acros …

spo
1. Anything steeped, or dipped and softened, in any liquid; especially, something dipped in broth or liquid food, and intended to be eaten. 'He it is to whom I shall give a sop, when I have dipped it.' (John xiii. 26) 'Sops in wine, quantity, inebriate more than wine itself.' (Bacon) 'The bounded waters Should lift their bosoms higher than the shor …

spodic horizon
A subsurface layer of soil characterised by the accumulation of aluminum oxides (with or without iron oxides) and organic matter, a diagnostic horizon for spodosols. ... (09 Oct 1997) ...

spodogenous
Caused by waste material. ... Origin: G. Spodos, ashes, + -gen, producing ... (05 Mar 2000) ...

spodogram
The pattern of ash residue formed by microincineration of a minute tissue specimen, usually a thin section. ... Origin: G. Spodos, ashes, + gramma, a drawing ... (05 Mar 2000) ...