The gametophyte has both male and female sex organs that can fertilize the egg to produce an embryo, which grows into a new sporophyte. Ferns may also regenerate through vegetative reproduction ...

Celebrating its golden anniversary, Nikon Small World honors a stunning photo of brain tumor cell structures, advancing our ...

Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK Department of Genetics, Blavatnik Institute ...

The embryo becomes a fetus when you’re 3 months pregnant. The umbilical cord connects the fetus to your placenta and uterine wall. External sex organs also start to develop. The embryo develops into a ...

Celebrating its golden anniversary, Nikon Small World honors a stunning photo of brain tumor cell structures, advancing our understanding of neurodegenerative diseases. Dr. Cisterna's research ...