noun
telolecithal egg
A biological term for an egg where the yolk is concentrated at one end, as in fish, amphibians, reptiles, and birds. Compare with 等黄卵 (isolecithal egg).
See also: 等黄卵
魚類や鳥類の卵は端黄卵に分類される。
The eggs of fish and birds are classified as telolecithal eggs.
等黄卵 (isolecithal egg) has yolk evenly distributed, while 端黄卵 has yolk concentrated at one end.
Composed of 端 (end), 黄 (yolk), and 卵 (egg), directly describing the yolk's position at one end of the egg.