the stages of segmentation of a fertilized ovum.

anatomy blastomeres blastula cage cell child conceiving cytoplasm development division egg embryo embryology embryonic endoderm female fertility fertilization fertilized fetus follicle gastrula genes gynecology health human illustration illustrationn infertility insemination medical medicine microscopic morula n3d natural nhuman novum nucleus oocyte ovary ovulation ovum penetrate pregnancy rendering reproduction reproductive seed segmentation stage stages the treatment unnatural zygote