The yolk sac arises from the ovum to nourish the embryo.
Implantation
yolk
ovum isalways haploid and when a haploid sperm fertilize it the embryo become diploid
A blastoderm is a germination point in an ovum from which the embryo develops.
Sperm and ovum.
The correct term for a fertilised ova is an embryo.
A chicken egg is a round or oval body laid by the female chicken, which consists of an ovum surrounded by layers of membranes and an outer casing, which acts to nourish and protect a developing embryo and its nutrient reserves.
Fetus (Pronounced 'Feetus')I did the names in bold:Oocyte -> fertilization -> Fertilized Ovum-> cleavage (cell division) -> Morula -> Blastocyst -> attachment to Uterine wall -> Implantation -> Embryoblast -> Embryo -> After the first two months of development, the embryo is called a Fetus until birth
A Female ovum and a Male sperm fuse to create a zygote cell. It is the earliest developmental stage of the embryo.
The tissue formed once mitosis of an OVUM A few days after fertilization. apex:)
Embryology is a science which is about the development of an embryo from the fertilization of the ovum to the fetus stage.
The sperm unites with the Ovum in the womb, to form a zygote, which is the beginning of the Embryo.