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parenchymatous cell of corpus pineale --> pinealocyte

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: chief cell of corpus pineale, parenchymatous cell of corpus pineale.

Origin: pineal _ G. Kytos, cell