The stage of human embryonic development (approximately day 5-6) consisting of a hollow sphere: an outer cell mass (trophoblast) that will form the placenta and extraembryonic membranes, and an inner cell mass (embryoblast) that will form the embryo proper. Implantation of the blastocyst into the uterine endometrium occurs around day 6-10.
The stage of human embryonic development (approximately day 5-6) consisting of a hollow sphere: an outer cell mass (trophoblast) that will form the placenta and extraembryonic membranes, and an inner cell mass (embryoblast) that will form the embryo proper. Implantation of the blastocyst into the uterine endometrium occurs around day 6-10.
Understanding the term "Blastocyst" is essential for studying human anatomy because it provides precise language for describing body structures, their positions, and their relationships. Standardized anatomical terminology ensures clear communication among healthcare professionals, researchers, and students worldwide.
This information is for educational purposes only. It is not intended as medical advice. Consult a healthcare professional for medical concerns.