腹面的英文：
ventral

The abdominal segment of an insect.
腹面昆虫的腹部体节

The ventral nerve cord is covered externally by a peritoneum
腹神经线外被以腹膜。

The ventral nerve cord is covered externally by a peritoneum.
腹神经线外被以腹膜。

Its sucking mouth was in a terminal rather than a ventral position
它的吸嘴位于末端，而不在腹部。

They found that feelings of intensive romantic love were linked to activity in the right caudate nucleus and right ventral tegmental area dopamine
他们发现强烈而又浪漫的爱情感觉跟右尾状核和右腹侧被盖区多巴胺有关。

The nervous system has cerebral ganglia which are linked to a double ventral nerve cord by a connecting ring.
神经系统有脑神经，它通过联接环与双股的腹神经索相连。