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pars distalis adenohypophyseos


Definition: the larger part of the adenohypophysis composed of cords of epithelial cells individually specialized to secrete various tropic hormones that exert their effect on several target organs in the body. The secretory activity of these cells is under the control of either releasing or inhibiting factors elaborated by hypothalamic neurons and transported to the adenohypophysis by the hypothalamohypophysial portal system.

Synonym(s): pars anterior adenohypophyseosTA, distal part of anterior lobe of hypophysis

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.