Pediatric Endocrinology

The Endocrine System: Pineal Gland

The pineal gland, also called pineal body or epiphysis cerebri, is a small cone-shaped structure that extends posteriorly from the third ventricle of the brain.

The pineal gland consists of portions of neurons, neuroglial cells, and specialized secretory cells called pinealocytes. The pinealocytes synthesize the hormone melatonin and secrete it directly into the cerebrospinal fluid, which takes it into the blood. Melatonin affects reproductive development and daily physiologic cycles.

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Division of Pediatric Endocrinology
Golisano Children's Hospital
601 Elmwood Avenue
Box 777
Rochester, NY 14642
Phone: (585) 275-7744
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