Definitions for prosencephalon
ˌprɒs ɛnˈsɛf əˌlɒn, -lənpros·en·cephalon

Princeton's WordNetRate this definition:0.0 / 0 votes

1. forebrain, prosencephalonnoun

   the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube

WiktionaryRate this definition:0.0 / 0 votes

1. prosencephalonnoun

   Forebrain.

WikipediaRate this definition:0.0 / 0 votes

1. prosencephalon

   In the anatomy of the brain of vertebrates, the forebrain or prosencephalon is the rostral (forward-most) portion of the brain. The forebrain (prosencephalon), the midbrain (mesencephalon), and hindbrain (rhombencephalon) are the three primary brain vesicles during the early development of the nervous system. The forebrain controls body temperature, reproductive functions, eating, sleeping, and the display of emotions. At the five-vesicle stage, the forebrain separates into the diencephalon (thalamus, hypothalamus, subthalamus, and epithalamus) and the telencephalon which develops into the cerebrum. The cerebrum consists of the cerebral cortex, underlying white matter, and the basal ganglia. In humans, by 5 weeks in utero it is visible as a single portion toward the front of the fetus. At 8 weeks in utero, the forebrain splits into the left and right cerebral hemispheres. When the embryonic forebrain fails to divide the brain into two lobes, it results in a condition known as holoprosencephaly.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Prosencephalonnoun

   the anterior segment of the brain, including the cerebrum and olfactory lobes; the forebrain

2. Prosencephalonnoun

   the cerebrum

3. Etymology: [NL., fr. Gr. toward, near to + E. encephalon.]

FreebaseRate this definition:0.0 / 0 votes

1. Prosencephalon

   In the anatomy of the brain of vertebrates, the prosencephalon is the rostral-most portion of the brain. The prosencephalon, the mesencephalon, and rhombencephalon 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 and the telencephalon. The cerebrum consists of the cerebral cortex, underlying white matter, and the basal ganglia. By 5 weeks in utero, it is visible as a single portion toward the front of the fetus. At 8 weeks in utero, the prosencephalon splits into the left and right cerebral hemispheres. When the embryonic prosencephalon fails to divide the brain into two lobes, it results in a condition known as holoprosencephaly.

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Prosencephalon

   pros-en-sef′a-lon, n. the fore-brain, comprising the cerebral hemispheres and olfactory processes.—adj. Prosencephal′ic. [Gr. pros, before, enkephalon, the brain—en, in, kephalē, the head.]

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. Prosencephalon

   The anterior of the three primitive cerebral vesicles of the embryonic brain arising from the NEURAL TUBE. It subdivides to form DIENCEPHALON and TELENCEPHALON. (Stedmans Medical Dictionary, 27th ed)

Matched Categories

1. • Neural Structure

How to pronounce prosencephalon?

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Numerology

1. Chaldean Numerology

   The numerical value of prosencephalon in Chaldean Numerology is: 4

2. Pythagorean Numerology

   The numerical value of prosencephalon in Pythagorean Numerology is: 8