動どう物ぶつ極きょく

noun

animal pole

In embryology, the pole of an egg where the nucleus is located and where polar bodies form; contrasts with the vegetal pole (植物極).

See also: 植物極

• 受じゅ精せい卵らんの動どう物ぶつ極きょく側がわには核かくがある。

  The nucleus is located on the animal pole side of the fertilized egg.

• 動どう物ぶつ極きょくと植しょく物ぶつ極きょくの間あいだには卵らん割かつが起おこる。

  Cleavage occurs between the animal pole and the vegetal pole.