Inferior hypophyseal artery

Last revised by Dr Raymond Chieng on 02 Jun 2022

The inferior hypophyseal artery is a branch from the meningohypophyseal trunk, a branch of the C4 segment of the internal carotid artery. It is usually single on each side and divides into superior and inferior branches, anastomoses with its counterparts from the opposite, contributing to the inferior hypophyseal arterial circle 5,6

The inferior hypophyseal artery supplies the posterior pituitary gland directly and often contributes to the pituitary stalk as well, hence contributing to the pituitary portal system 5.

History

This artery was first identified by Luschka in 1860 5.

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