In mammals, distinguish and differentiate the following germinal layers. Identify the organs that will arise from each of them: 1. Endoderm 2. Mesoderm 3. Ectoderm
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In mammals, distinguish and differentiate the following germinal layers. Identify the organs that will arise from each of them:
1. Endoderm |
2. Mesoderm |
3. Ectoderm |
Step by step
Solved in 4 steps
- Which of the following are mismatched? (a) endoderm; lining of the digestive tube (b) ectoderm; circulatory system (c) mesoderm; notochord (d) mesoderm; reproductive system (e) ectoderm; sense organsWhich of the following is common to the development of bothbirds and mammals?(A) holoblastic cleavage(B) epiblast and hypoblast(C) trophoblast(D) gray crescentWhat are the correct pairings of developing and embryonic structures in the gastrulation of chickens? Multiple answers is possible. If no correct option is given write the proper pairings. a. Epiblast – ectoderm b. Secondary hypoblast – endoderm c. Primary hypoblast – endoderm d. Migrating cells - mesoderm
- Why is embryogenesis important in reptile specially in snakes?The outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm d. dermisDescribe the step-by-step fertilization process in an amphibian. Include in the discussion the structures involved in the process.
- In protostomes and deuterostomes, the space between the endoderm and the ectoderm is important because:Number these steps in vertebrate embryogenesis in order. ______ formation of archenteron ______ formation of blastula ______ neurulation ______ gastrulation ______ cleavage ______ zygoteDefine the following terms with respect to mammalian development •Chormesodermal mantle •Somites •Neural plate •Neural tube •Neural crest •Spinal cord •Embryonic induction