Pregnant women should avoid menthol-flavored vapes, warns new research. The chemicals in mentholated e-cigarettes may poses ...

"These germ layers serve as the building blocks for all ... significant structural birth defects due to the misallocation of cells destined for specific tissues and organs," she added.

Pluripotent stem cells are cells that have the capacity to self-renew by dividing and to develop into the three primary germ cell layers of the early embryo and therefore into all cells of the ...

MARCH 13, 2024 — Fertility requires proper development of egg and sperm. This development begins with an epic journey of egg and sperm precursors called primordial germ cells from their place of ...

A study published today (September 11) in Nature Ecology & Evolution suggests that instead of two distinct germ layers, cnidarians may indeed have three. The authors show that the mesendoderm of the ...