🇯🇵Japanese Source WordCode: JA

前脳

Pronunciation / Transliteration: zennō

🇬🇧 Direct English Meaning:
Prosencephalon/ˌprɒs.ɛnˈsɛf.ə.lɒn/
nounCEFR C2 (Proficient)Top #45000 frequency
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🇯🇵 Example Sentence in Japanese:

"前脳は発生初期の脳の前方部分である。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The forebrain, which is the most rostral or forward part of the brain of vertebrate embryos, eventually developing into the telencephalon and diencephalon.

    "During early embryonic development, the prosencephalon differentiates into the cerebrum and the diencephalon."
  2. 2

    In comparative anatomy, the corresponding anterior section of the brain in fully developed lower vertebrates.

    "Histological examination of the fish brain reveals distinct structural organization within the prosencephalon."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Modern Latin, combining the Greek prefix 'pros-', meaning 'before' or 'forward', with 'enkephalos', meaning 'brain'. Coined in the 19th century as a precise anatomical term to designate the foremost vesicle of the embryonic vertebrate brain.

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