Formation of notochord or the central axial chord in vertebrates is known as
Neurulation
Blastulation
Morulation
Notogenesis
After implantation, finger-like projections on the trophoblast are called $...A....$ which are surrounded by $...B..$ and maternal blood. Here $A$ and $B$ refers to
Eye is developed from
Internal ear develops from
Seminal plasma of humans is rich in