hypothalamohypophysial portal system
[hī′pō-thăl′ə-mō-hī′pə-fĭz′ē-əl, -zē′-, -hī-pŏf′ĭ-sē′əl]
n.
A system of veins that originate in the hypothalamus and pass through the pituitary gland and into its anterior lobe, where they branch into a capillary bed and convey releasing factors to the anterior lobe.
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Nearby words
- hypotensive,
- hypotensor,
- hypotenuse,
- hypoth.,
- hypothalamic infundibulum,
- hypothalamus,
- hypothallus,
- hypothec,
- hypotheca,
- hypothecary
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.