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Embryology Gastrulation - Questions and Answers

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36. Posterior lobe of pituitary is formed from the
A. Ectoderm
B. Mesoderm
C. Endoderm
D. Blastoderm
Explanation:
37. The major system derived from the endoderm is
A. Nervous system
B. Lymphatic system
C. Muscular system
D. Digestive system
Explanation:
38. Gastrulation in Amphioxus occurs by a process of
A. Hyperboly
B. Hypoboly
C. Delamination
D. Invagination
Explanation:
39. Epiboly occurs in
A. Cleavage
B. Oogenesis
C. Gastrulation
D. Organogenesis
Explanation:
40. In amphioxus gastrula, achenteron is formed by the
A. Involution
B. Invagination
C. Delamination
D. Convergence
Explanation:
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