Category: Z
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Zonifugal
Passing outward from within any zone or area.
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Zonesthesia
A sensation, as a cord constricting the body. A feeling similar to the sensation caused by a constricting belt wrapped around the waist. This condition is also known as girdle pain.
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Zona incerta
A nucleus in the brain located between the thalamus and subthalamus. It contains many cholinergic neurons, and it links to numerous other structures of the cortex and sub-cortex of the brain.
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Zona reticularis
The inner layer of the adrenal cortex. It secretes very small amounts of androgens and estrogens.
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Zona ophthalmica
Old name for herpes zoster of the area supplied by the ophthalmic nerve.
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Zona glomerulosa
The outer layer of the adrenal cortex. It secretes mineralocorticoids, mainly aldosterone.
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Zona fasciculata
The middle layer of the adrenal cortex. It secretes glucocorticoids, mainly cortisol.
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Zoacanthosis
Dermatitis due to foreign bodies such as bristles, hairs, or stingers from animals.
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Zipper pull
A device allowing persons with limited function to fasten zippers on clothing, especially those in back.
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Zinc protoporphyrin
A biochemical marker of iron deficiency. It is only moderately effective in diagnosing the disease.