prosencephalon

Definitions

  • WordNet 3.6
    • n prosencephalon the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube
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Webster's Revised Unabridged Dictionary
    • n Prosencephalon (Anat) The anterior segment of the brain, including the cerebrum and olfactory lobes; the forebrain.
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Century Dictionary and Cyclopedia
    • n prosencephalon The fore-brain; the cerebral hemispheres, together with the callosum, striate bodies, and fornix. It may also include the rhinencephalon.
    • n prosencephalon All of the parts developed from the anterior of the three primary cerebral vesicles, including, in addition to those of , the thalamencephalon. Also called procerebrum.
    • n prosencephalon The second cranial segment, counting from before backward, of the four of which the head has been theoretically assumed to be composed. See cuts under encephalon and Petromyzontidæ.
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Chambers's Twentieth Century Dictionary
    • n Prosencephalon pros-en-sef′a-lon the fore-brain, comprising the cerebral hemispheres and olfactory processes
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Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Gr. toward, near to + E. encephalon,
Chambers's Twentieth Century Dictionary
Gr. pros, before, enkephalon, the brain—en, in, kephalē, the head.

Usage

In literature:

It turns the prosencephalon into mere punk.
"Frenzied Fiction" by Stephen Leacock
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