Wednesday, April 24th--Day 16

Major Growth Developments

•The embryo turns its beak toward the air cell.

•The chorioallantoic cavity lines most of the inside surface of the egg shell.

Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/

Tuesday, April 23rd--Day 15

Major Growth Developments

•The scales, claws, and beak are becoming firm.

Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/

Monday, April 22nd--Day 14

Major Growth Developments

 

•The embryo turns its head toward the blunt end of the egg.

•The skull has begun to ossify.

 

Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/

 

 

 

Sunday, April 21st--Day 13

Major Growth Developments

•Fingers of the wings are covered with feather papillae.

•The left and right collar bones fuse to form the wishbone.

Information & Image from the University of Illinois website:http://chickscope.beckman.uiuc.edu/explore/embryology/