Question

The embryonic period begins with ____ and lasts until the _____ week

Answer 1

The stage runs from the 5th through the 10th week of pregnancy

The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.

What is Embryonic period ?

Approximately four weeks after conception, the neural tube forms. This tube will later develop into the central nervous system including the spinal cord and brain.

• The neural tube begins to form along with an area known as the neural plate.

• Each layer gives rise to specific tissues and organs in the developing embryo thus, the correct sequence is: Zygote --> Morula --> Blastula --> Gastrula --> Embryo.

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