Category: G
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Granular conjunctivitis
Acute contagious inflammatory conjunctivitis with granular elevations on the lids that ulcerate and scar.
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Gonococcal conjunctivitis
A severe, acute form of purulent conjunctivitis caused by Neisseria gonorrhoeae.
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Giant papillary conjunctivitis
An immune/foreign body response of the conjunctiva to contact lenses (especially if left in place for 4 or more weeks), to nylon, or to prosthetic materials. It causes itching of the eye, redness, photophobia, swelling, and blurry vision. Examination reveals giant papillae on the superior tarsus.
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Gray column
Gray matter in the anterior and posterior horns of the spinal cord.
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Glissonian cirrhosis
An inflammation of the peritoneal coat of the liver.
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Gel filtration chromatography
A type of column chromatography in which chemicals are separated via pores according to their molecular size.
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Gas-liquid chromatography
Chromatography in which a gas moves over a liquid, and chemical substances are separated on the liquid by their different adsorption rates.
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General chemistry
The study of the entire field of chemistry with emphasis on fundamental concepts or laws.
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Gated channel
An ion channel in a cell membrane that opens or closes in response to a stimulus such as a neurotransmitter or to a change in pressure, voltage, or light.
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Gustatory center
The center, primarily in the parietal lobes, that feels and interprets taste.