ANAT1052 Lecture Notes - Gastrointestinal Tract, Salivary Gland, Digestion
Document Summary
Answer: a. k. a the alimentary canal, tube that extends from mouth to anus (opens to environments from both ends, measures about 5m long, list the main organs of the digestive system. Answer: mouth, pharynx, esophagus, stomach, small intestines, large intestines, list the accessory organs of the digestive system. Answer: teeth, tongue, salivary glands, liver, gallbladder, pancreas, briefly describe the three processes that food undergoes when ingested. Answer: lumen, the inside of a tubular structure, the 4 layers of the digestive tract: Muscularis externa serosa: second most inner layer, layer of loose connective tissue, contains blood vessels, lymphatic vessels and nerves, third most inner layer, smooth muscle that has 2 fiber layers. Superficial layer runs longitudinally: function, made of areolar tissue and simple squamous epithelium, most outer layer, thin membrane, ends before rectum. Mobility (muscles contract to mix and propel content through digestive system)
