50.7 MB (6.0 MB compressed)
4210 x 4210 pixels
35.6 x 35.6 cm ⏐ 14.0 x 14.0 in (300dpi)
CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Embryo development. Illustration of a human embryo approximately four days after fertilisation. At this stage the embryo is a clump of 16 to 32 cells (called blastomeres) and is known as a morula. The morula has developed by the repeated division of the fertilised egg. It eventually reaches the uterus where it may implant, resulting in a pregnancy.
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