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| Brain: Tuber cinereum | ||
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| Base of brain. (Tuber cinerum visible at center.) | ||
| Gray's | subject #189 813 | |
| NeuroNames | hier-376 | |
| MeSH | Tuber+cinereum | |
| Dorlands/Elsevier | t_21/12827470 | |
The tuber cinereum is a hollow eminence of gray matter situated between the mammilary bodies and the optic chiasm. The tuber cinereum is part of the hypothalamus.
Contents |
Structure
Laterally it is continuous with the anterior perforated substances and anteriorly with a thin lamina, the lamina terminalis.
The infundibulum, a hollow conical process, projects from the tuber cinereum. The infundibulum extends forward and down where it is attached to the posterior lobe of the pituitary gland.
It houses the nuclei:
- tuberal nucleus
- tuberomamillary nucleus [1]
Tuberomamillary nucleus
The tuberomammillary nucleus (TMN) is the sole source of histamine in the brain. [2]
Function
Circadian rhythm
By its release of histamine, the tuberomamillary nucleus of the tuber cinereum helpt to regulate the circadian cycle.
See also
Additional images
 Mesal aspect of a brain sectioned in the median sagittal plane. |
 The fornix and corpus callosum from below. |
References
- ^ patients.uptodate.com - Abstracts for References 5 and 6 of 'Hypothalamic-pituitary axis'
- ^ ingentaconnect.com - IngentaConnect Estrogen receptors and metabolic activity in the ...
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
External links
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Wikipedia content modification information:
- This page was last modified on 19 August 2008, at 18:49.
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