Category: G
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Germinal cell
A tissue from which other tissues or cells proliferate.
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Gastrorrhaphy
Suturing or sewing an injured stomach wall.
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Ganglionic cyst
A benign cyst localized on or around a tendon sheath or joint capsule.
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Ganglion cyst
A fluid-filled mass most often observed in the wrist, but may also occur on the ankle.
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Gallium
A radioisotope utilized in diagnostic scans for neoplasm, inflammation, and soft-tissue disorders. A rare metallic chemical element, small amounts of which are found in bauxite and zinc blends; atomic weight 69.72, atomic number 31. Gallium-67 (67Ga) is used in nuclear medicine to provide images of tumors (such as lymphomas) and of inflamed tissues (such as…
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Gait apraxia
Loss of the ability to consciously sequence and execute the movements required to coordinate walking, resulting in unsteady walking patterns; widely based, jerky gait, and balance difficulties as demonstrated in Parkinson’s disease.
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Guiac test
Chemical test of stool for blood, especially blood that is not visible to the naked eye (occult blood). If the test is positive, the stool is classified as guiac-positive. Testing stool for occult blood is a routine part of the physical exam in patients over 40 years of age as a screen for colon cancer.…
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Guanabenz
Antihypertensive that reduces blood pressure via its effect on the central nervous system. Adverse effects include dry mouth and drowsiness.
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Gross
Visible to the unaided eye, as a gross (vs. microscopic) examination.
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Griseofulvin
Generic name for commonly used oral antifungal drug. An antifungal drug used to treat infections such as fungal infections of nails and hair follicles. Griseofulvin works by interfering with the fungal cell division and may inhibit DNA replication. Griseofulvin is available as tablets, capsules, and liquid. An antibiotic administered by mouth to treat fungal infections of…