Define the Following Terms

question 6

Short Answer

Define the following terms
-exchange relationships

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Definitions:

Ectodermal Cells

Cells originating from the outermost layer of the embryo, which give rise to the epidermis, nervous system, and some sensory organs.

Neural Tube

The embryonic precursor to the central nervous system, which develops into the brain and spinal cord in vertebrates.

Cell Migration

The movement of cells from one area to another, often a part of processes such as wound healing and the development of organisms.

Gastrulation

A phase early in the embryonic development of most animals, during which the single-layered blastula is reorganized into a multilayered structure known as the gastrula.