Category: F

  • Fontan procedure

    A procedure used to repair complex congenital heart defects such as a single ventricle, that prevent oxygen from reaching the systemic circulation. The superior vena cava (SVC) is divided adjacent to its entry to the right atrium; the pulmonary trunk is divided close to the pulmonic valve and both ends are closed. The distal and…

  • Fontana’s spaces

    The spaces between the processes of the ligamentum pectinatum of the iris. These convey the aqueous humor. Spaces in scleral meshwork in angle of the iris through which the aqueous humor passes from the anterior chamber to the canal of Schlemm.  

  • Fomepizole 4-methylpyrazole

    A drug used as an antidote for ethylene glycol (antifreeze) poisoning.  

  • Follistatin

    A protein that regulates the actions of activins in the body. It antagonizes the effects of many members of the transforming growth factor family of cytokines. One function of follistatin is to decrease the secretion of FSH.  

  • Folliculosis

    The presence of an abnormal number of lymph follicles.  

  • Folliculoma

    A tumor of the ovary originating in a graafian follicle in which the cells resemble those of the stratum granulosum.  

  • Folliculitis decalvans

    Purulent follicular inflammation of the scalp resulting in permanent irregular alopecia and scarring. This rare disease occurs mostly in men. The cause is unknown. This is a condition characterized by bald patches accompanied by inflammation of the hair follicles surrounding the affected area. Treatment options have included taking sulpha drugs orally and applying tincture of…

  • Folliculitis barbae

    A deep-seated infection of the hair follicles of the beard — usually caused by staphylococcal or fungal infection. A deep-seated infection of the hair follicles of the beard — usually caused by staphylococcal or fungal infection.  

  • Follicular occlusion triad

    A collective term used for three related forms of localized skin abscess: hidradenitis suppurativa, acne conglobata, and dissecting cellulitis of the scalp.  

  • Folie du doute

    Abnormal doubts about ordinary acts and beliefs; inability to decide on a definite course of action or conduct.