A bovine embryo with about 16 cells, as it would appear in the uterus of a cow about 4 days after ovulation.  The diameter of this embryo (about 0.1 mm) likely changed little from that immediately after fertilization.

Bovine embryo, 16 cells

Credit: Harold Hafs

Digital Credit: Harold Hafs

Publisher: Hoard's Dairyman

Rights: No rights reserved - image is in the public domain

Description: A bovine embryo with about 16 cells, as it would appear in the uterus of a cow about 4 days after ovulation. The diameter of this embryo (about 0.1 mm) likely changed little from that immediately after fertilization.

Image Resolution: 1024x1008

File Size: 648990 bytes