Blastula

Origin

From New Latin, diminutive of Ancient Greek βλαστός (blastos, "a germ, bud, sprout, shoot"), from βλαστάνειν (blastanein, "to bud, sprout, grow, properly of plants, but also of animals").

Noun

1. (embryology) An early form in the development of an embryo, consisting of a spherical layer of cells filled with fluid; a blastosphere.

Related terms

• amphiblastula
• blastulation
• coeloblastula
• discoblastula
• stereoblastula