Describe the structure of the blastocyst

• Structure formed after multiple cell divisions of zygote. • Inner cell mass (ICM) - forms the embryo. • The outer layer - trophoblast. This layer surrounds the inner cell mass and a fluid-filled cavity known as the blastocoele. • The trophoblast gives rise to the placenta. 

Answered by Jake C. Biology tutor

4314 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe and explain how a nerve impulse is transmitted across a cholinergic synapse.


How is a nervous impulse transmitted across a synapse?


Why is DNA replication semi-conservative?


Is it true that once we reach adulthood we never produce new neurons?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences