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Multiple Choice
Which of the following epithelial layers arise(s) from the endoderm?
A
Epidermis of the skin
B
Lining of the oral cavity
C
Lining of the blood vessels
D
Lining of the gastrointestinal tract
Verified step by step guidance
1
Understand the three primary germ layers: ectoderm, mesoderm, and endoderm. These layers form during embryonic development and give rise to different tissues and organs.
Identify the tissues that arise from the endoderm. The endoderm primarily forms the epithelial lining of the gastrointestinal tract, respiratory tract, and several other internal structures.
Consider the options given: Epidermis of the skin, Lining of the oral cavity, Lining of the blood vessels, and Lining of the gastrointestinal tract.
Recall that the epidermis of the skin arises from the ectoderm, not the endoderm. The lining of the oral cavity is also derived from the ectoderm.
Recognize that the lining of the gastrointestinal tract is derived from the endoderm, making it the correct answer in this context.