Pineal Gland: Difference between revisions
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== Introduction == | == Introduction == | ||
The pineal gland, a small, pine-cone shaped structure, is an endocrine gland located in the posterior aspect of the cranial fossa in the brain. It’s a part of your endocrine system and secretes the hormone melatonin. The pineal gland helps control the circadian cycle of sleep and wakefulness by secreting melatonin. It is also has a role in reproductive function, being associated with the onset of puberty. It is not isolated from the body by the blood-brain barrier.<ref>Radiopedia [https://radiopaedia.org/articles/pineal-gland?lang=gb Pineal Gland] Available:https://radiopaedia.org/articles/pineal-gland?lang=gb (accessed 20.1.2023)</ref> | |||
== | == Anatomy and Function == | ||
The human pineal gland is a tiny (100-150 mg), highly vascularized, secretory neuroendocrine organ. It is found in the mid-line of the brain, connected to the roof of the third ventricle by a short stalk. The main role of the pineal gland is to produces melatonin, a derivative of serotonin, which affects the modulation of wake/sleep patterns and photoperiodic (seasonal) functions. Pinealocytes synthesis and secrete melatonin.<ref>Arendt J, Aulinas A. [https://www.ncbi.nlm.nih.gov/books/NBK550972/ Physiology of the pineal gland and melatonin.] Endotext [Internet]. 2022 Oct 30. Available:https://www.ncbi.nlm.nih.gov/books/NBK550972/ (accessed 20.1.2023)</ref> | |||
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[[Category:Neurology]] | |||
[[Category:Brain - Anatomy]] | |||
Revision as of 07:38, 20 January 2023
Original Editor - Lucinda hampton
Top Contributors - Lucinda hampton
Introduction[edit | edit source]
The pineal gland, a small, pine-cone shaped structure, is an endocrine gland located in the posterior aspect of the cranial fossa in the brain. It’s a part of your endocrine system and secretes the hormone melatonin. The pineal gland helps control the circadian cycle of sleep and wakefulness by secreting melatonin. It is also has a role in reproductive function, being associated with the onset of puberty. It is not isolated from the body by the blood-brain barrier.[1]
Anatomy and Function[edit | edit source]
The human pineal gland is a tiny (100-150 mg), highly vascularized, secretory neuroendocrine organ. It is found in the mid-line of the brain, connected to the roof of the third ventricle by a short stalk. The main role of the pineal gland is to produces melatonin, a derivative of serotonin, which affects the modulation of wake/sleep patterns and photoperiodic (seasonal) functions. Pinealocytes synthesis and secrete melatonin.[2]
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References[edit | edit source]
- ↑ Radiopedia Pineal Gland Available:https://radiopaedia.org/articles/pineal-gland?lang=gb (accessed 20.1.2023)
- ↑ Arendt J, Aulinas A. Physiology of the pineal gland and melatonin. Endotext [Internet]. 2022 Oct 30. Available:https://www.ncbi.nlm.nih.gov/books/NBK550972/ (accessed 20.1.2023)
