The Spemann organizer, also known as the dorsal blastopore lip, is a small region of tissue in the amphibian embryo that plays a crucial role in determining the body plan. It is named after Hans Spemann, a German embryologist who discovered its importance in the early 20th century. What are the main...
Ingression is a process in embryonic development where individual cells migrate from the surface layer (ectoderm or mesoderm) into the interior of the embryo. It is a fundamental mechanism that contributes to the formation of various tissues and organs. What are the main features of ingression?
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The mesoderm is one of the three primary germ layers formed during embryonic development. It is the middle layer, located between the ectoderm (outer layer) and the endoderm (inner layer). What are the main features of the mesoderm?
- Middle layer: It is positioned between the ectoderm a...
The endoderm is one of the three primary germ layers formed during embryonic development. It is the innermost layer, lining the digestive and respiratory tracts. What are the main features of the endoderm?
- Innermost layer: It is the interior layer of the embryo.
- Diverse cell types:...
