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The median eminence is generally defined as the portion of the ventral hypothalamus from which the portal vessels arise. [1] The median eminence is a small swelling on the tuber cinereum, posterior to and on top of the pituitary stalk; it lies in the area roughly bounded on its posterolateral region by the cerebral peduncles, and on its anterolateral region by the optic chiasm.
Embryonic vertebrate subdivisions of the developing human brain hindbrain or rhombencephalon is a developmental categorization of portions of the central nervous system in vertebrates. It includes the medulla , pons , and cerebellum .
The median eminence is rich in fenestrated capillaries, allowing for the passage of proteins and neurohormones. More specifically, the median eminence allows for the transport of neurohormones between the CSF and the peripheral blood supply. [36] The major cell type that makes up the median eminence are specialized ependymal cells known as ...
The lamina terminalis is a thin layer that forms the median portion of the wall of the forebrain.It stretches from the interventricular foramen (foramen of Monro) to the recess at the base of the optic stalk (optic nerve) and contains the vascular organ of the lamina terminalis, which regulates the osmotic concentration of the blood.
The median raphe nucleus (MRN), also known as the superior central nucleus, is a nucleus in the brainstem composed of polygonal, fusiform, and piriform neurons, which exists rostral to the pontine raphe nucleus. The median raphe nucleus is one of several raphe nuclei that lies on the brainstem midline. It is one of two nuclei that are situated ...
Diagram showing some of the main areas of the brain. Date: 30 July 2014 (released by CRUK) Source: Original email from CRUK: Author: Cancer Research UK: Permission (Reusing this file) This image has been released as part of an open knowledge project by Cancer Research UK. If re-used, attribute to Cancer Research UK / Wikimedia Commons
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The cerebrum (pl.: cerebra), telencephalon or endbrain [1] is the largest part of the brain, containing the cerebral cortex (of the two cerebral hemispheres) as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb. In the human brain, the cerebrum is the uppermost region of the central nervous system.