The layer of the digestive tube that contains abundant elastin plus blood vessels, lymphoid nodules, and deep glands is the
A) adventitia.
B) submucosa.
C) muscularis.
D) serosa.

Question

Quizplus · Accepted Answer

The submucosa is the layer of the digestive tube that contains abundant elastin plus blood vessels, lymphoid nodules, and deep glands. The adventitia is a layer of loose connective tissue that surrounds organs that are not suspended in a body cavity, and the serosa is a layer of connective tissue and epithelial cells that covers organs that are suspended in a body cavity. The muscularis is a layer of smooth muscle that moves food through the digestive tract.

The Layer of the Digestive Tube That Contains Abundant Elastin