Pineal gland

Glandula pinealis

A small, pine cone-shaped gland located posterior to the third ventricle at the epithalamus, between the two superior colliculi. It receives sympathetic innervation via the superior cervical ganglion. Pinealocytes produce melatonin from serotonin in response to darkness signals from the retina.

유형 Gland
신체 계통 Endocrine
신체 부위 Brain
라틴어 명칭 Glandula pinealis
FMA ID 62033

기능

Produces melatonin, which regulates circadian rhythms (sleep-wake cycles) and seasonal biological rhythms. Melatonin production increases in darkness and decreases with light exposure.

임상적 의의

Pineal tumors can cause obstructive hydrocephalus due to compression of the cerebral aqueduct. Pineal calcification is a normal finding on CT scans and can serve as a midline marker. Disrupted melatonin production affects sleep disorders and jet lag.

자주 묻는 질문

What is the Pineal gland?
A small, pine cone-shaped gland located posterior to the third ventricle at the epithalamus, between the two superior colliculi. It receives sympathetic innervation via the superior cervical ganglion. Pinealocytes produce melatonin from serotonin in response to darkness signals from the retina.
What is the function of the Pineal gland?
Produces melatonin, which regulates circadian rhythms (sleep-wake cycles) and seasonal biological rhythms. Melatonin production increases in darkness and decreases with light exposure.
What body system is the Pineal gland part of?
The Pineal gland is part of the Endocrine.
What conditions affect the Pineal gland?
Pineal tumors can cause obstructive hydrocephalus due to compression of the cerebral aqueduct. Pineal calcification is a normal finding on CT scans and can serve as a midline marker. Disrupted melatonin production affects sleep disorders and jet lag.
Where is the Pineal gland located?
The Pineal gland is located in the Brain region of the body.

관련 구조물

vasculature of liver hepatic vascular element liver trabecula hepatic trabecula ligament of liver hepatic ligament capillary system of liver liver capillary endocrine pancreas endocrine pancreas parathyroid gland epithelial body adrenal cortex adrenal gland cortex liver parenchyma hepatic parenchyma

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