Examlex
The most popular type of cluster sample is the area sample.
Blastocyst
A collection of about 100 human cells that develops from the zygote.
Gastrulation
An early embryonic phase during which the single-layered blastula is reorganized into a multilayered structure known as the gastrula.
Uterine Cavity
The interior part of the uterus, where the embryo implants and develops during pregnancy.
Lanugo
The fine, downy hair covering the fetus.
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