Concept explainers
To list:
The cell layers from the most interior to the most exterior.
Introduction:
Gastrulation is a phase during embryonic development of the animals. During this stage, blastula gets reorganized into gastrula, which is a multilayered structure of cells. The three layers in the gastrula are, ectoderm, mesoderm, and endoderm.
Explanation of Solution
The cell layers from the most interior to the most exterior in gastrula are:
- Endoderm - It is the innermost cell layer in gastrula. This layer of cells forms into columnar cells that are found in many internal organs.
- Mesoderm - It is the middle layer of cells in gastrula. This layer gives rise to muscle cells and connective tissue.
- Ectoderm - It is the outermost layer of cells in gastrula. This layer forms epidermis and the nervous system.
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