My watch list

Pars tuberalis

Pars tuberalis

Pituitary gland. (Most of the orange region is "pars distalis", but the part at the top is "pars tuberalis".)
Latin	pars tuberalis adenohypophyseos
Gray's	subject #275 1275
Dorlands/Elsevier	p_07/12618120

The pars tuberalis is part of the anterior lobe of the pituitary gland, and wraps the pituitary stalk in a highly vascularized sheath.

Additional recommended knowledge

Essential Laboratory Skills Guide

Safe Weighing Range Ensures Accurate Results

Daily Visual Balance Check

Histology

Prinicipal cells of the pars tuberalis are low columnar in form, with the cytoplasm containing numerous lipid droplets, glycogen granules, and occasional colloid droplets. A sparse population of functional gonadotrophs are present(indicated by immunoreactivity for ACTH, FSH, and LH)^[1].

References

^ Ross, Michael. Histology: A Text and Atlas. 5th ed., 2006. pp 695

v • d • e Endocrine system > Pituitary gland
Posterior pituitary	Pars nervosa - Median eminence - Infundibular stalk
Anterior pituitary	Pars intermedia - Pars tuberalis - Pars distalis - Acidophils (Somatotropes, Lactotropes) - Basophils (Corticotropes, Gonadotropes, Thyrotropes)