HY antigen

[ eych-wahy ]
/ ˈeɪtʃˈwaɪ /

noun Immunology.

an antigen encoded by a gene on the Y (male) chromosome, active in the development of male structures.

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Origin of HY antigen

1975–80; H(uman)Y (chromosome)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for HY antigen

H-Y antigen

n.

An antigen factor, dependent on the Y-chromosome, responsible for differentiating the human embryo into the male phenotype by inducing the embryonic gonad to develop into a testis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.