noun🔗ShareThe membrane of cells that forms the wall of a blastocyst during early pregnancy, providing nutrients to the embryo and later developing into part of the placenta.""The trophoblasts, crucial in the early stages of pregnancy, nourish the developing embryo and eventually contribute to the formation of the placenta." "biologymedicineanatomyphysiologyorganhumanbodysciencebiochemistryfunctionChat with AIVocabulary GamePractice Reading