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.
[hahy-uh ts-vil] /ˈhaɪ ətsˌvɪl/ noun 1. a city in central Maryland.
[hahy-brid] /ˈhaɪ brɪd/ noun 1. the offspring of two animals or plants of different breeds, varieties, species, or genera, especially as produced through human manipulation for specific genetic characteristics. 2. a person or group of persons produced by the interaction or crossbreeding of two unlike cultures, traditions, etc. 3. anything derived from heterogeneous sources, or […]
- Hybrid antibody
noun 1. a synthetic antibody that is able to combine with two different antigens
- Hybrid bill
noun 1. (in Parliament) a public bill to which the standing orders for private business apply; a bill having a general application as well as affecting certain private interests