Blastula

Of embryo.   May also be referred to as blastosphere.

Early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs.

This concept's ID is @1~7334

Contains

  • trophoblast 0 facts

    The membrane that forms the wall of the blastocyst in early development; aids implantation...

  • blastocoel 0 facts

    The fluid-filled cavity inside a blastula.

  • blastocyst 0 facts

    The blastula of a placental mammal in which some differentiation of cells has occurr...