See Also: germinal membrane(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
germinal rod(medicine)
Germinal(medicine)
Germinal(dictionary)
germinal area(medicine)
germinal mutation(medicine)
germinal mosaicism(medicine)
germinal streak(medicine)
germinal aplasia(medicine)

germinal membrane (medicine)


germinal membrane -->
blastoderm


In many eggs with a large amount of yolk, cell division (cleavage) is restricted to a superficial layer of the fertilized egg (meroblastic cleavage). This layer is termed the blastoderm. In birds it is a flat disc of cells at one pole of the egg and in insects an outer layer of cells surrounding the yolk mass.