Epithelial tissues are derivatives of the following embryonic germ layer.
A. endoderm
B.ectoderm
C.mesoderm
D.endoderm and mesoderm
E.none of the above
Answer is B.ectoderm (Epithelial tissue derived from ectoderm is generally squamous epithelium; epithelial tissue derived from endoderm is essentially glandular epithelium. There are a variety of body tissues derived from the third or middle primary germ layer known as the mesoderm.)
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