The Cells That Form the Inner Lining of Blood Vessels

Question

The cells that form the inner lining of blood vessels originate from
A) the ectoderm
B) the entoderm
C) the mesoderm
D) any of the above

Accepted Answer

Of the three embryonic tissue layers,the mesoderm is the middle layer.The inner lining of blood vessels originates from the mesoderm,which lies between the endoderm and ectoderm layers.