Somites are derived from which one of the following pre-embryonic cell layers?

A. Endoderm
B. Mesoderm
C. Ectoderm
D. Neural crest
E. None of the above


ANS: B
Rationale: Somites are spherical cell clusters that develop from the mesoderm as the neural tube closes.

Health & Biomechanics

You might also like to view...

A client presents to the hospital with difficulty in speaking, excessive salivation, and ataxia. What finding would lead to a diagnosis of Wilson disease?

1. Hepatic dysfunction 2. Grand mal seizures 3. Skeletal rigidity 4. Psychiatric symptoms

Health & Biomechanics

About 25% of people with diabetes die of some form of cardiovascular disease

Indicate whether the statement is true or false

Health & Biomechanics

The directional term that means near the surface is:

A) internal. B) external. C) deep. D) superficial.

Health & Biomechanics

List and discuss five principles of safe food storage

Health & Biomechanics