Category: S
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Surgical decompression
The freeing of a trapped body part, e.g., the operative release of a nerve from entrapment by neighboring structures.
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Simple decomposition
A chemical change by which a molecule of a single compound breaks into its simpler constituents or substitutes the entire molecule of another body for one of these constituents.
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Sickle cell dactylitis
Painful swelling of the feet and hands during the first several years of life in children with sickle cell anemia.
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Suprapubic cystostomy
Surgical opening of the bladder from just above the symphysis pubis; any of several catheters are placed in the opening to facilitate drainage.
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Serous cystadenoma
A cyst filled with a clear serous fluid and lined with cuboidal epithelial cells.
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Synovial cyst
Accumulation of synovia in a bursa, synovial crypt, or sac of a synovial hernia, causing a tumor.
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Suprasellar cyst
A cyst of the hypophyseal stalk just above the floor of the sell aturcica. Its wall is frequently calcified or ossified.
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Seminal cyst
A cyst of the epididymis, ductus deferens, or other sperm-carrying ducts that contain semen.
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Stretch-shortening cycle
An eccentric muscle contraction followed immediately by a concentric contraction. The elastic potentiation that occurs during the eccentric phase increases the force of output of the concentric contraction. Exercises incorporating this phenomenon are called plyometrics.
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Stimulated cycle
A cycle in assisted reproduction in which a woman receives drugs to stimulate her ovaries for production of additional follicles.