noun
ventral nerve cord
Anatomical term for the nerve cord running along the ventral (belly) side of invertebrates such as arthropods and annelids.
昆虫の腹神経索は、体節ごとに神経節を持つ。
The ventral nerve cord of insects has a ganglion in each body segment.
Compound of 腹 (ふく, 'belly, abdomen') + 神経 (しんけい, 'nerve') + 索 (さく, 'cord'). The term is a direct calque of the English 'ventral nerve cord'.