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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.

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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)