dictionary help| androgenic zone --> X zone | medical dictionary |
A transient adrenocortical zone present in some rodents at birth, most notably in mice, situated between the zona reticularis and the adrenal medulla; it degenerates in males with the secretion at puberty and in females during their first pregnancy; it slowly enlarges in unmated females after puberty and does not degenerate until middle age; the X zone appears to secrete no hormone.
Synonyms: androgenic zone.
Misnomer for the foetal adrenal cortex of primates.
Synonyms: foetal reticularis.
(05 Mar 2000)
XYY karyotype, XYY male, XYY syndrome, xyzzy < Prev | Next > Y, y, -y, y-, Y2K
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