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Hawaiistrombus hellii

Hawaiistrombus hellii

Classification

The pineal gland (also called the pineal body) is a small endocrine gland in the brain of most vertebrates. It produces melatonin, a serotonin-derived hormone, which modulates sleep patterns following the diurnal cycles. The shape of the gland resembles a pine cone, which gives it its name.

Distribution

(c) Robin White, some rights reserved (CC BY) · CC-BY
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Countries in the Picchu catalog
United States of America · 2