hebec738
Nov 12, 2009, 01:46 PM
Brain tissue arises from the same embryonic tissue as epithelial tissue. True or False?
Unknown008
Nov 12, 2009, 01:49 PM
What do you think is the answer? Post, then we'll see.
[Note: We are not allowed to do your homework here]
asking
Nov 13, 2009, 02:47 PM
An early stage embryo consists of three tissue layers: endoderm, mesoderm,and ectoderm.
Which one(s) give rise to the brain and the epithelia (linings of body cavities)?