Category: S

  • Surgical decompression

    The freeing of a trapped body part, e.g., the operative release of a nerve from entrapment by neighboring structures.  

  • 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.  

  • Sickle cell dactylitis

    Painful swelling of the feet and hands during the first several years of life in children with sickle cell anemia.  

  • 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.  

  • Serous cystadenoma

    A cyst filled with a clear serous fluid and lined with cuboidal epithelial cells.  

  • Synovial cyst

    Accumulation of synovia in a bursa, synovial crypt, or sac of a synovial hernia, causing a tumor.  

  • Suprasellar cyst

    A cyst of the hypophyseal stalk just above the floor of the sell aturcica. Its wall is frequently calcified or ossified.  

  • Seminal cyst

    A cyst of the epididymis, ductus deferens, or other sperm-carrying ducts that contain semen.  

  • 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.  

  • Stimulated cycle

    A cycle in assisted reproduction in which a woman receives drugs to stimulate her ovaries for production of additional follicles.