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Pronunciation: pin-e-a-lo-sit'

Definition: A cell of the pineal body with long processes ending in bulbous expansions. Pinealocytes receive a direct innervation from sympathetic neurons that form recognizable synapses. The club-shaped endings of pinealocyte processes terminate in perivascular spaces surrounding capillaries.

Synonym(s): chief cell of corpus pineale, parenchymatous cell of corpus pineale

[pineal + G. kytos, cell]

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