Melatonin and the Pineal Gland
The pineal gland is a tiny structure located at the base of the brain.
Link to graphic showing the location of the pineal and other endocrine glands (92K).
pineal gland
(pin-ee-ul)
A small endocrine gland on the dorsal surface of the vertebrate forebrain; secretes the hormone melatonin, which regulates body functions related to seasonal day length.
pinocytosis ...
pineal gland A small gland located between the cerebral hemispheres of the brain that secretes melatonin.
pioneer community The initial community of colonizing species.
pineal gland An endocrine gland located near the midline of the brain that produces melatonin, a hormone involved in biological rhythms, particularly in annual cycles.
Pineal pinea = a pine cone.
pinfeather See filoplume feather.
"The pineal gland is critical for circadian Period1 expression in the striatum and for circadian cocaine sensitization in mice". Neuropsychopharmacology 28 (12): 2117-23. PMID 12865893.
[Gr. epi - on, upon; Gr. physis - growth]. An evagination of the prosencephalon (forebrain) which later forms the pineal gland.
cycles of hormone production are controlled by the hypothalamus, specifically the suprachiasmic nucleus (SCN). According to one model, the SCN is signaled by messages from the light-detecting retina of the eyes.The SCN signals the pineal gland in the ...
 See also: Brain, Animal, Blood, Cells, Organ
  
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