Category: S
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Service
A specific unit of health care provided to a particular population. A unit of health care. It is interesting that there is no standard term for a single unit of health care, whatever that unit may be. Both service and procedure are often used to refer to units of health care, i.e., a health service…
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Serum lipid analysis
The analysis of fat substances in the bloodstream, which includes cholesterol levels and triglyceride measurements.
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Serum hepatitis
An acute infection of the liver caused by a virus. Transmitted by contaminated blood during transfusion, medical instruments, or drug abusers using contaminated equipment. Characterization and symptoms similar to infectious hepatitis. A serious form of hepatitis transmitted by infected blood, unsterilised surgical instruments, shared needles or sexual intercourse. A viral infection of the liver caused…
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Serum cholesterol level
The amount of cholesterol present in a given amount of blood serum. Typically measured in μg/ml.
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Serum cholesterol
The cholesterol in the blood that may contribute to cardiovascular disease serum cholesterol level.
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Sertoli cells
Supporting elongated cells of the seminiferous tubules that nourish spermatids. Cells which support the seminiferous tubules in the testis [Described 1865. After Enrico Sertoli (1842-1910), Italian histologist, Professor of Experimental Physiology at Milan, Italy.] Cells found in the seminiferous tubules of the testis, where they nourish developing spermatozoa. Cells found in the walls of the…
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Serratus
Saw toothed. Any of several muscles with saw-like processes, especially serratus anterior, muscle between the ribs and shoulder blade involved in shoulder and arm movement, particularly pushing-type motions. Any of several muscles arising from or inserted by a series of processes that resemble the teeth of a saw. An example is the serratus anterior, a…
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Serous cavity
A large lymph space. The space between two layers of serous membrane (for example, the pleural, pericardial, and peritoneal cavities). Any space enclosed by a fluid-secreting membrane, like the peritoneal and pleural cavities.
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Serosa
Perimetrium layer of the uterus. A serous membrane (e.g., the peritoneum, pleura, and pericardium).
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Seropositive
Producing a positive reaction to antibody tests for human immunodeficiency virus (HIV). Referring to someone who gives a positive reaction to a serological test. A blood test done for a possible infection that shows a positive result. Having a positive reaction to a serological test (i.e., showing the presence of a specific antigen or antibody).…