Category: S
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Sarcoplasm
The protoplasm of muscles cells. Semiliquid cytoplasm in muscle membrane. Intercellular material of the cell, particularly striated muscle cells. The cytoplasm of muscle cells, especially striated muscle cells.
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Sarcolemma
The cell membrane of muscle fiber. The cell membrane of a muscle cell. Invaginations called transverse tubules (T-tubules) penetrate the cytoplasm adjacent to the myofibrils and carry the action potential to the interior of the muscle cell. The thin covering that encases each striped muscle fiber.
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Saphenous vein
The long vein near the inner surface of the thigh. The often tied off in the treatment of varicose veins. One of two veins which take blood from the foot up the leg. Either of two superficial veins of the leg, draining blood from the foot. The long saphenous vein, the longest vein in the…
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Sanorex
A commercial preparation of mazindol.
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Sanitary landfill
An area where solid waste products are systematically buried.
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Sanguine
Abounding in blood.
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Sandoz pharmaceutical company
The first company granted permission by the Food and Drug Administration to conduct research into the possible medical uses of LSD.
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Sampling variability
In epidemiology, the differences between the findings for all possible samples from the same or equal populations.
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Sample size
In epidemiology, the actual number of subjects chosen for study to be representative of a larger population.
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Salvarsan
An arsenical compound used as a treatment for syphilis before the development of antibiotics.