胚はい軸じく

noun

hypocotyl

Botanical term for the part of a plant embryo below the cotyledons and above the radicle.

• 胚はい軸じくは、発はつ芽が後ごに子し葉ようと根ねの間あいだで伸のびる部ぶ分ぶんです。

  The hypocotyl is the part that elongates between the cotyledons and the root after germination.

noun

embryonic axis

Zoological term for the main longitudinal axis of an embryo.

• 動どう物ぶつの胚発生はいせいにおいて、胚はい軸じくは体からだの前ぜん後ご軸じくの形けい成せいに関かかわる。

  In animal embryonic development, the embryonic axis is involved in the formation of the anterior-posterior body axis.