03-08-2015, 10:35 AM
Identify the source of the epith lining the esophagus
a)Ectoderm/other than neural crest
b)Endoderm
c)Mesoderm
d)Neural crest
72sec...................................
a)Ectoderm/other than neural crest
b)Endoderm
c)Mesoderm
d)Neural crest
72sec...................................