Author: Nathan Lampson

This lesson will explain how a zygote develops into an embryo.

See More
Human Biology

No bones about it.
Our Human Biology course is only $329.

Sophia's online courses not only save you money, but credits are also eligible for transfer to over 2,000 colleges and universities.*

  • Zygote

    The fertilized egg which is the first cell of an individual.

  • Blastocyst

    After the morula forms it will implant on the endometrium of the uterus; the blastocyst contains an inner of layers of cells that become the embryo while the outer layer of cells form the placenta.

  • Inner Cell Mass

    A layer of the blastocyst which will develop into an embryo.

  • Embryo

    A stage of development of an individual formed from the inner cell mass of a blastocyst after it has implanted in the uterus.