Correctly Label The Anatomical Parts Of The Embryo
The embryonic stage is short, lasting only about seven weeks. Webthe embryonic stage lasts through the eighth week following fertilization, after which the embryo is called a fetus. Webrelate the different stages of development to the adult structures of the central nervous system. Webcorrectly label the following external genitalia of the developing male and female embryo. In humans, when do the secondary sexual characteristics first appear?
