Category: G

  • Gonioscope

    A lens for measuring the angle of the front part of the eye. A special lens used for viewing the structures around the edge of the interior chamber of the eye (in front of the lens). These structures are hidden behind the sclera just beyond the edge of the cornea and are not accessible to…

  • Goniopuncture

    A surgical operation for draining fluid from the eyes of someone who has glaucoma. An operation for congenital glaucoma to enable fluid to be drawn from the eye. Using a fine knife, an incision is made from within the eye into Schlemm’s canal, at the junction of the cornea and sclera, and continued outward until…

  • Gonion

    The outer point at which the lower jawbone angles upwards. The point of the angle of the lower jawbone (mandible). The lowest and most lateral point of the angle of the mandible or lower jaw.  

  • Gonagra

    A form of gout which occurs in the knees.  

  • Gonadotrophin

    Any of a group of hormones produced by the pituitary gland which stimulates the sex glands at puberty.  

  • Gonadotrophic hormone

    One of two hormones, the follicle-stimulating hormone and the luteinising hormone, produced by the anterior pituitary gland which have an effect on the ovaries in females and on the testes in males.  

  • Gomphosis

    A joint which cannot move, like that between a tooth and the jaw. A form of synarthrosis (immovable joint) in which a conical process fits into a socket. An example is the joint between the root of a tooth and the socket in the jawbone. A conical process fitting into a socket in an immovable…

  • Golgi cell

    A type of nerve cell in the central nervous system, either with long axons (Golgi Type 1) or without axons (Golgi Type 2).  

  • Golgi apparatus

    A folded membranous structure inside the cell cytoplasm which stores and transports enzymes and hormones [Described 1898. After Camillo Golgi (1843-1926), Professor of Histology and later Rector of the University of Pavia, Italy. In 1906 he shared the Nobel Prize with Santiago Ramon y Cajal for work on the nervous system.] Small, membranous structure found…

  • Golfer’s elbow

    Inflammation of the tendons of the elbow. An overuse injury, most commonly caused by the repetitive force placed on the tendon that attaches to the inside part of the elbow joint during a golf swing. The part of the elbow joint involved in golfer’s elbow is called the medial epicondyle, and the medical term for…