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.
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Composite volcanoes. Had this question on apex:)
Answer:
First mice would take over and it would start a plague then they would carry mortal dieeases after that lot of people would die.
Explanation:
Answer:
1.
popular foods of Germany are macaroni cheese and Bratwurst and for Poland are Swieconka and Bigos. The well known foods of Former Soviet Union are pelmeni and Blini, for Scandinavian country is Gravadlax and for Central European country is Mozzarella, Lasagne, Pasta, Pizza, etc.
2. Sausage, apple tree and hot dogs
The medulla oblongata is the center of the brain responsible for circulation and respiration. It helps regulate breathing, digestion, sneezing, swallowing, and heart and blood vessel function.
