Blastocycst 10.12

Blastocycst 10.12

About six days after fertilization, the cell cluster forms a hollow cavity and is known as a blastocyst. It floats within the uterus for around 48 hours before landing on the thick uterus lining (endometrium), which softens to aid implantation.

http://files.metastudio.org/media/e/6/8/24820ae3c3af6bc47460230e69045b2335a1fad0e77a4e9e51f46c8f14737.jpg

License: CC-BY-SA 4.0 unported
Source: CIET, NCERT