Formation of the secondary yolk sac, development of an embryo
Size: 4091px × 2983px
Location: Serbia
Photo credit: © Fascija / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: amnioblast, amniotic, baby, biology, blastocyst, cavity, cell, cytotrophoblast, development, diagram, division, educational, egg, embryo, embryology, epiblast, exocelomatic, fertility, fertilization, fetal, health, healthy, heuser, heusers, human, hypoblast, illustration, implantation, medical, membrane, morula, oocyte, ovum, pregnancy, primitive, reproduction, sac, science, secondary, sperm, stage, stages, stem, structure, syncytiotrophoblast, trophoblast, vector, vitro, yolk, zoology, zygote