The cells that form the inner lining of blood vessels originate from the
A) Ectoderm
B) Entoderm
C) Mesoderm
D) Any of the above

Name: The cells that form the inner lining of blood vessels originate from the A) Ectoderm B) Entoderm C) Mesoderm D) Any of the above
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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 entoderm and ectoderm layers.

The Cells That Form the Inner Lining of Blood Vessels