The lamina propria is a component of the
A) serosa.
B) muscularis.
C) submucosa.
D) mucosa.
E) adventitia.

Question

Quizplus · Accepted Answer

The lamina propria is a layer of loose connective tissue located beneath the epithelium in the mucosa, which is the innermost layer of the gastrointestinal tract wall. Therefore, the best choice is D, mucosa. A) Serosa is the outermost layer of the gastrointestinal tract wall. B) Muscularis is the layer of smooth muscle responsible for peristalsis. C) Submucosa is a layer of dense connective tissue containing blood vessels, lymphatics, and nerves. E) Adventitia is a layer of connective tissue that covers organs lacking a serosa layer, such as the esophagus.

The Lamina Propria Is a Component of the