Question

The myenteric nerve plexus provides the major nerve supply to the GI tract wall and controls GI motility.

Answer 1

Answer: True

Explanation:

The given statement is true as, the digestive nerve plexus circulates the movement of the digestive system and compromises the two nerve center that are:

• Meissner nerve plexus
• Myenteric nerve plexus

Basically, it present in the longitudinal muscles and in circular layer muscles in the lower stomach and helped in transmitted the message muscles cell from the nervous system. That is why, it provided the nerve supply to the GI tract wall and help in control the GI motility.

Answer 2

Answer:

a. True

Explanation:

The myenteric plexus provides the motor innervation to the layers of muscular layer of gut, having both the parasympathetic and the sympathetic input.

It arises from the cells in vagal trigone which are called nucleus ala cinerea. The both anterior and posterior vagal nerves carry these fibres. It is the major nerve supply to gastrointestinal tract and also controls gastrointestinal tract motility.