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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