n.
The forebrain.
prosencephalic pros'en·ce·phal'ic (-sə-făl'ĭk) adj.
prosencephalon
Dictionary:
pros·en·ceph·a·lon (prŏs'ĕn-sĕf'ə-lŏn')  |
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| Veterinary Dictionary: prosencephalon |
The forebrain consisting of the diencephalon (thalamus, epithalamus, subthalamus, hypothalamus) and the telencephalon (cerebral hemispheres).
| Wikipedia: Prosencephalon |
| Brain: Prosencephalon | ||
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| Diagram depicting the main subdivisions of the embryonic vertebrate brain. These regions will later differentiate into forebrain, midbrain and hindbrain structures. | ||
| NeuroLex ID | birnlex_1509 | |
In the anatomy of the brain of vertebrates, the prosencephalon (or forebrain) is the rostral-most (forward-most) portion of the brain. The prosencephalon, the mesencephalon (midbrain), and rhombencephalon (hindbrain) are the three primary portions of the brain during early development of the central nervous system. It controls body temperature, reproductive functions, eating, sleeping, and any display of emotions.
At the five-vesicle stage, the prosencephalon separates into the diencephalon (prethalamus, thalamus, hypothalamus, subthalamus, epithalamus, and pretectum) and the telencephalon (cerebrum). The cerebrum consists of the cerebral cortex, underlying white matter, and the basal ganglia.
When the embryonic prosencephalon fails to divide the brain into two lobes, it results in a condition known as holoprosencephaly.
Additional images
 Embryo between eighteen and twenty-one days. |
 Head of chick embryo of about thirty-eight hours’ incubation, viewed from the ventral surface. X 26 |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Prosencephalon". Read more |
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