The Correct Sequence of Layers in the Wall of the Alimentary

question 72

Multiple Choice

The correct sequence of layers in the wall of the alimentary canal, from internal to external, is

• A) mucosa, muscularis, serosa, submucosa.
• B) mucosa, submucosa, muscularis, serosa.
• C) serosa, muscularis, mucosa, submucosa.
• D) submucosa, mucosa, serosa, muscularis.

---

Definitions:

Optic Nerve

A paired nerve that transmits visual information from the retina to the brain.

Optic Chiasm

The part of the brain where the optic nerves partially cross, located at the base of the brain and is crucial for visual processing.

Lens

A curved piece of glass or other transparent material used in optical devices to focus or disperse light and form images.

Microelectrodes

Small electrodes used to record electrical activity from single neurons or to stimulate precise areas in the brain or nervous system.