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anyanavicka [17]
2 years ago
12

Which are tunics (layers) that make up the gastrointestinal wall?

Biology
1 answer:
AlekseyPX2 years ago
3 0

The gastrointestinal wall is composed of four layers or tunics:

  • Mucosa
  • Submucosa
  • Muscularis mucosa
  • Serosa

The innermost tunic of the wall is known as the mucosa or mucous membrane layer. The digestive tract's lumen is lined with it. The mucosa comprises epithelium, a layer of lamina propria, a loose layer of connective tissue, and the muscularis mucosa, a thin layer of smooth muscle.

The mucosa is surrounded by a substantial layer of loose connective tissue known as the submucosa. Blood arteries, lymphatic vessels, and neurons are also present in this stratum. The adventitia is a connective tissue that makes up the digestive tract's outermost layer above the diaphragm. It is referred to as serosa below the diaphragm.

To learn more about mucosa click here

brainly.com/question/13153021

#SPJ4

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