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

steatoblast
Cells that give rise to fat cells (adipocytes). ... (18 Nov 1997) ...

steatocystoma
A cyst with sebaceous gland cells in its wall. ... (05 Mar 2000) ...

steatocystoma multiplex
Widespread, multiple, thin-walled cysts of the skin that are lined by squamous epithelium, including lobules of sebaceous cells. ... (05 Mar 2000) ...

steatogenesis
Biosynthesis of lipids. The term is used specifically to designate lipid accumulation in the testes of nonmammalian vertebrates on completion of spermatogenesis in the breeding period. ... Origin: steato-+ G. Genesis, production ... (05 Mar 2000) ...

steatolysis
The hydrolysis or emulsion of fat in the process of digestion. ... Origin: steato-+ G. Lysis, dissolution ... (05 Mar 2000) ...

steatolytic
Relating to steatolysis. ... (05 Mar 2000) ...

steatoma
<surgery> A cyst containing matter like suet. ... Origin: L, fr. Gr, fr. To turn into tallow or suet, fr, fat, suet. ... (06 Mar 1998) ...

steatonecrosis
Synonym: fat necrosis. ... Origin: steato-+ G. Nekrosis, death ... (05 Mar 2000) ...

steatopyga
Excessive accumulation of fat on the buttocks. ... Origin: steato-+ G. Pyge, buttocks ... (05 Mar 2000) ...

steatopygous
Having excessively fat buttocks. ... (05 Mar 2000) ...

steatorrhoea
Faecal matter that is frothy, foul-smelling and floats because of a high fat content. A finding that is typical in malabsorption syndromes. ... (27 Sep 1997) ...

steatosis
Fatty degeneration. ... (18 Nov 1997) ...

steatosis cardiaca
Excessive fat on the pericardium and invading the cardiac muscle. ... (05 Mar 2000) ...

steatosis cordis
Fatty degeneration of the heart. ... (05 Mar 2000) ...

steatozoon
Common name for Demodex folliculorum. ... Origin: steato-+ G. Zoon, animal ... (05 Mar 2000) ...

steel
1. <chemistry> A variety of iron intermediate in composition and properties between wrought iron and cast iron (containing between one half of one per cent and one and a half per cent of carbon), and consisting of an alloy of iron with an iron carbide. Steel, unlike wrought iron, can be tempered, and retains magnetism. Its malleability decrea …

Steel factor
Murine equivalent of stem cell factor. ... (18 Nov 1997) ...

Steele-Richardson-Olszewski disease
Synonym for progressive supranuclear palsy ... A disorder that is associated with nerve cell destruction and progressive lack of coordination, neck stiffness, trunk stiffness, problems with eye movement and mild dementia. Disorders that are similar include Alzheimer's disease, cerebellar dysfunction, Jakob-Creutzfeldt disease and Parkinson's disease …

Steele, John
<person> Canadian neurologist, fl. 1951-1968. ... See: Steele-Richardson-Olszewski disease, Steele-Richardson-Olszewski syndrome. ... (05 Mar 2000) ...

Steell, Graham
<person> British physician, 1851-1942. ... See: Graham Steell's murmur. ... (05 Mar 2000) ...

Steell's murmur
Synonym for Graham Steell's murmur ... <cardiology, clinical sign> An early diastolic murmur of pulmonary insufficiency secondary to pulmonary hypertension, as in mitral stenosis and various congenital defects associated with pulmonary hypertension. ... Synonym: Steell's murmur. ... (05 Mar 2000) ...

steely
1. Made of steel; consisting of steel. 'The steely point of Clifford's lance.' 'Around his shop the steely sparkles flew.' (Gay) ... 2. Resembling steel; hard; firm; having the colour of steel. 'His hair was steely gray.' 'She would unarm her noble heart of that steely resistance against the sweet blows of love.' (Sir P. Sidney) Steely iron, a compo …

steelyard
A form of balance in which the body to be weighed is suspended from the shorter arm of a lever, which turns on a fulcrum, and a counterpoise is caused to slide upon the longer arm to produce equilibrium, its place upon this arm (which is notched or graduated) indicating the weight; a Roman balance; very commonly used also in the plural form, steely …

Steenbock unit
A unit of vitamin D; the total amount of vitamin D which will produce within 10 days a narrow line of calcium deposit in the rachitic metaphyses of the distal ends of the radii and ulnae of standard rachitic rats. ... (05 Mar 2000) ...

Steenbock, Harry
<person> U.S. Physiologist and chemist, 1886-1967. ... See: Steenbock unit. ... (05 Mar 2000) ...

steep
To soak in a liquid; to macerate; to extract the essence of by soaking; as, to soften seed by steeping it in water. Often used figuratively. 'Let fancy still my sense in Lethe steep.' (Shak) 'In refreshing dew to steep The little, trembling flowers.' (Wordsworth) 'The learned of the nation were steeped in Latin.' (Earle) ... Origin: OE. Stepen, prob …

steeple
A spire; also, the tower and spire taken together; the whole of a structure if the roof is of spire form. See Spire. 'A weathercock on a steeple.' Rood steeple. See Rood tower, under Rood. ... <botany> Steeple bush, a low shrub (Spiraea tomentosa) having dense panicles of minute rose-coloured flowers; hardhack. Steeple chase, a race across cou …

steer
A young male of the ox kind; especially, a common ox; a castrated taurine male from two to four years old. See the Note under Ox. ... Origin: OE. Steer, AS. Steor; akin to D. & G. Stier a bull, OHG. Stior, Icel. Stjorr, jorr, Sw. Tjur, Dan. Tyr, Goth. Stiur, Russ. Tur', Pol. Tur, Ir. & Gael. Tarbh, W. Tarw, L. Taurus, Gr, Skr. Sthra strong, …

steering wheel injury
Trauma to the anterior chest wall caused by impact with the steering wheel during an automobile accident; can include fractured sternum and ribs, cardiac contusion, tear of the aorta or other great vessels, as well as lung injuries. ... (05 Mar 2000) ...

stege
The internal pillar of Corti's organ. ... Origin: G. Stegos, roof, a house ... (05 Mar 2000) ...

stegocephala
<paleontology> An extinct order of amphibians found fossil in the Mesozoic rocks. ... Synonym: Stegocephali, and Labyrinthodonta. ... Their teeth, in transverse sections, usually show a labyrinthiform arrangement of the cement and dentine. The under side of the body was covered with bony plates. Some of the Stegocephala were of very large size, …

stein-leventhal syndrome
<syndrome> Known descriptively as polycystic ovarian disease (pco), this syndrome is basically an hormonal problem that causes women to have a variety of symptoms including irregular or no periods, acne, obesity and excessive hair growth. Women with pco are at a higher risk for uterine cancer (endometrial cancer), diabetes, high blood pressur …

Stein, Irving
<person> U.S. Gynecologist, *1887. ... See: Stein-Leventhal syndrome. ... (05 Mar 2000) ...

Stein, Stanislav von
<person> Russian otologist, *1855. ... See: Stein's test. ... (05 Mar 2000) ...

Stein's test
In cases of labyrinthine disease the patient is unable to stand or to hop on one foot with his eyes shut. ... (05 Mar 2000) ...

Steinberg thumb sign
<clinical sign> In Marfan's syndrome, when the thumb is held across the palm of the same hand, it projects well beyond the ulnar surface of the hand. ... (05 Mar 2000) ...

Steinberg, I
<person> ... See: Steinberg thumb sign. ... (05 Mar 2000) ...

Steinbrinck, W
<person> 20th century Germany physician. ... See: Chediak-Steinbrinck-Higashi anomaly, Chediak-Steinbrinck-Higashi syndrome. ... (05 Mar 2000) ...

Steinert, Hans
<person> German physician, *1875. ... See: Steinert's disease. ... (05 Mar 2000) ...

Steinert's disease
Synonym for myotonic dystrophy ... <neurology> An inherited human neuromuscular disease classed as an autosomal dominant disease in which there is progressive muscle weakening and wasting. ... A triplet repeat syndromes (like fragile X syndrome), this most common adult form of muscular dystrophy is caused by expansion of the unstable trinucleot …

Steinmann pin
A pin that is used to transfix bone for traction or fixation. ... (05 Mar 2000) ...

Steinmann, Fritz
<person> Swiss surgeon, 1872-1932. ... See: Steinmann pin. ... (05 Mar 2000) ...

STEL
<abbreviation> Short-term exposure limit. ... (05 Mar 2000) ...

stella
A star or star-shaped figure. ... Origin: Mod. L. ... (05 Mar 2000) ...

stella lentis hyaloidea
The posterior pole of the lens. ... See: radii lentis. ... (05 Mar 2000) ...

stella lentis iridica
The anterior pole of the lens. ... See: radii lentis. ... (05 Mar 2000) ...

stellarator
Device invented by Lyman Spitzer for the containment of a plasma inside a racetrack-shaped (sometimes a figure-8) tube. The plasma is contained by a magnetic field created by helical windings around the tube. More generally, a toroidal sort of device that attempts to average out particle drifts that would otherwise take plasma to the walls of the v …

stellate
Shaped like a star. ... (27 Sep 1997) ...

stellate abscess
A star-shaped necrotic area surrounded by histiocytes, seen within swollen inguinal lymph nodes in lymphogranuloma venereum. ... (05 Mar 2000) ...

stellate block
Injection of local anaesthetic solution in the vicinity of the stellate ganglion. ... (05 Mar 2000) ...

stellate breast lesions
<radiology> Scirrhous carcinoma (infiltrating ductal carcinoma), small (baby) scirrhous carcinoma, sclerosing ductal hyperplasia, traumatic fat necrosis, hyalinised fibroadenoma ... (12 Dec 1998) ...

stellate cataract
Congenital cataract with lens opacities radiating toward the periphery, with subcapsular and cortical changes. ... (05 Mar 2000) ...

stellate cells of cerebral cortex
Small star-shaped cell's in the second and fourth layers of the cortex, and large stellate cell's in the deeper part of the third layer in the visual cortex. ... (05 Mar 2000) ...

stellate cells of liver
Synonym for kupffer cells ... Large star-shaped or pyramidal cells with a large oval nucleus and a small prominent nucleolus. These intensely phagocytic cells line the walls of the sinusoids of the liver and form a part of the reticuloendothelial system. ... (12 Dec 1998) ...

stellate fracture
A fracture in which the lines of break radiate from a central point. ... (05 Mar 2000) ...

stellate ganglion
A paravertebral sympathetic ganglion formed by the fusion of the inferior cervical and first thoracic ganglia. ... (12 Dec 1998) ...

stellate hair
Hair split in several strands at the free end. ... (05 Mar 2000) ...

stellate ligament
Synonym for radiate ligament of head of rib ... The radiate, stellate, or anterior costovertebral ligament connecting the head of each rib to the bodies of the two vertebrae with which it articulates. ... Synonym: ligamentum capitis costae radiatum, ligamentum radiatum, radiate ligament, stellate ligament. ... (05 Mar 2000) ...

stellate neuroretinitis
A unilateral neuroretinitis with perifoveal exudates in Henle's nerve fibre layer producing a macular star and spontaneous regression in a few months. ... Synonym: Leber's idiopathic stellate neuroretinitis. ... (05 Mar 2000) ...

stellate reticulum
A network of epithelial cells disposed in a fluid-filled compartment in the centre of the enamel organ between the outer and inner enamel epithelium. ... (05 Mar 2000) ...

stellate skull fracture
A skull fracture with multiple linear fractures radiating from the site of impact. ... (05 Mar 2000) ...

stellate veins
Synonym for venulae stellatae ... The star-shaped groups of venules in the renal cortex. ... Synonym: stellate veins, stellate venules, stellulae verheyenii, venae stellatae, Verheyen's stars. ... (05 Mar 2000) ...

stellate venules
Synonym for venulae stellatae ... The star-shaped groups of venules in the renal cortex. ... Synonym: stellate veins, stellate venules, stellulae verheyenii, venae stellatae, Verheyen's stars. ... (05 Mar 2000) ...

stellectomy
Stellate ganglionectomy. ... (05 Mar 2000) ...

stellula
A small star or star-shaped figure. ... Origin: L. Dim. Of stella, star ... (05 Mar 2000) ...

stellulae vasculosae
Synonym for stellulae winslowii ... Capillary whorls in the lamina choroidocapillaris from which arise the venae vorticosae. ... Synonym: stellulae vasculosae, Winslow's stars. ... (05 Mar 2000) ...

stellulae verheyenii
Synonym for venulae stellatae ... The star-shaped groups of venules in the renal cortex. ... Synonym: stellate veins, stellate venules, stellulae verheyenii, venae stellatae, Verheyen's stars. ... (05 Mar 2000) ...

stellulae winslowii
Capillary whorls in the lamina choroidocapillaris from which arise the venae vorticosae. ... Synonym: stellulae vasculosae, Winslow's stars. ... (05 Mar 2000) ...

Stellwag, Carl von
<person> Austrian ophthalmologist, 1823-1904. ... See: Stellwag's sign. ... (05 Mar 2000) ...

Stellwag's sign
<clinical sign> Infrequent and incomplete blinking in Graves' disease. ... (05 Mar 2000) ...

stem
The main stem or a branch of the main axial system of a plant, developed from the plumule of the embryo and typically bearing leaves. ... (09 Oct 1997) ...

stem and loop structure
<molecular biology> The structure of tRNAs is so termed because it has four base paired stems and three loops (not base paired), one of which contains the anticodon. ... (18 Nov 1997) ...

stem bronchus
The main bronchus from which the branches of the bronchial tree arise. ... (05 Mar 2000) ...

stem cell
1. Cell that gives rise to a lineage of cells. Particularly used to describe the most primitive cells in the bone marrow from which all the various types of blood cell are derived. ... 2. More commonly used of a cell that, upon division, produces dissimilar daughters, one replacing the original stem cell, the other differentiating further (e.g. Stem …

stem cell factor
<growth factor> Haemopoietic growth factor 18.6 kD from sequence, found as dimer (35 kD protein, 53 kD in its glycosylated form). ... Acronym: SCF ... (18 Nov 1997) ...

stem cell growth factors
<growth factor> Compounds, usually proteins, that make stem cells grow faster. ... (26 Mar 1998) ...

stem cell leukaemia
A form of leukaemia in which the abnormal cells are thought to be the precursors of lymphoblasts, myeloblasts, or monoblasts. ... Synonym: embryonal leukaemia. ... (05 Mar 2000) ...

stem cells
Relatively undifferentiated cells of the same lineage (family type) that retain the ability to divide and cycle throughout postnatal life to provide cells that can become specialised and take the place of those that die or are lost. ... (12 Dec 1998) ...

sten
A statistical term which uses the standard deviation to convert data into standardised scores which define 10 steps along a normal distribution, with five steps on either side of the mean. ... (05 Mar 2000) ...

Stender dish
A flat shallow vessel used in staining sections. ... (05 Mar 2000) ...

Stender, Wilhelm
<person> 19th century Leipzig manufacturer of scientific apparatus. ... See: Stender dish. ... (05 Mar 2000) ...

Stenger test
A test for detecting simulation of unilateral deafness. ... (05 Mar 2000) ...

stenion
The termination in either temporal fossa of the shortest transverse diameter of the skull; a craniometric point. ... Origin: G. Stenos, narrow, + dim. -ion ... (05 Mar 2000) ...

steno-
Narrowness, constriction; opposite of eury-. ... Origin: G. Stenos, narrow ... (05 Mar 2000) ...

stenobregmatic
Denoting a skull narrow anteriorly, at the part where the bregma is. ... Origin: steno-+ G. Bregma ... (05 Mar 2000) ...

stenocardia
Synonym: angina pectoris. ... Origin: steno-+ G. Kardia, heart ... (05 Mar 2000) ...

stenocephalia
Synonym for stenocephaly ... Marked narrowness of the head. ... Synonym: stenocephalia. ... Origin: steno-+ G. Kephale, head ... (05 Mar 2000) ...

stenocephalous
Stenocephalic ... Pertaining to, or characterised by, stenocephaly. ... (05 Mar 2000) ...

stenocephaly
Marked narrowness of the head. ... Synonym: stenocephalia. ... Origin: steno-+ G. Kephale, head ... (05 Mar 2000) ...

stenochoria
Abnormal contraction of any canal or orifice, especially of the lacrimal ducts. ... Origin: G. Stenochoria, narrowness, fr. Steno-+ chora, place, room ... (05 Mar 2000) ...

stenocompressor
An instrument for compressing the ducts of the parotid glands (Stensen's duct) in order to keep back the saliva during dental operations. ... (05 Mar 2000) ...

stenocrotaphy
Stenocrotaphia ... Narrowness of the skull in the temporal region; the condition of a stenobregmate skull. ... Origin: steno-+ G. Krotaphos, temple ... (05 Mar 2000) ...

Stenon
See: Stensen. ... Origin: Stenonius, Latin form of Stensen ... (05 Mar 2000) ...

stenopaic spectacles
Opaque disks with narrow slits in the centre allowing only a minimum amount of light to enter; used as a protection against snow blindness, spectacles having opaque disks with multiple perforations used to aid vision in incipient cataract and in discrete opacities of the cornea; occasionally used as a substitute for corrective lenses or sunglasses. …

stenopeic
Stenopaic ... Provided with a narrow opening or slit, as in stenopeic spectacles. ... Origin: steno-+ G. Ope, opening ... (05 Mar 2000) ...

stenopeic disk
A metallic or other opaque disk with a narrow slit through which one looks; used as a test for astigmatism. ... (05 Mar 2000) ...

stenopeic iridectomy
peripheral iridectomy ...

stenosal
Synonym for stenotic ... Narrowed; affected with stenosis. ... Synonym: stenosal. ... (05 Mar 2000) ...

stenosal murmur
An arterial murmur due to narrowing of the vessel from pressure or organic change. ... (05 Mar 2000) ...

stenosed
Narrowed; contracted: strictured. ... (05 Mar 2000) ...