noun
segment; arthromere; metamere; somite
Biological term for a body segment, especially in arthropods, annelids, or vertebrate embryos. The specific English equivalent depends on the organism group.
昆虫の体は、頭部、胸部、腹部の三つの体節に分かれている。
The insect body is divided into three segments: head, thorax, and abdomen.
ミミズの体節は、外から見てもはっきりとわかる。
The segments of an earthworm are clearly visible from the outside.