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ANAT 261 (42)
Lecture

Lab 9. Digestive System.doc

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Department
Anatomy & Cell Biology
Course
ANAT 261
Professor
Jason Young
Semester
Fall

Description
Lab 9Digestive SystemZones of the Stomach1Cardia 1 cm just below the lower esophageal cardiac sphincter2Fundus at the upper curvature of the stomach3Body main central region4Pylorus 4 cm before the pyloric sphincterGastric regionfundus and bodyBASIC PLANMucosaSimple columnar epithelium with surface mucous cellsHas pitsglandsLamina proprialoose irregular CTMuscularis mucosa2 layers of smooth muscleInner circularOuter longitudinalSubmucosaDense irregular CTNo glandsTunica 3 layers of smooth muscleMuscularisinner obliquemiddle circularouter longitudinalSerosaLoose CT with many adipocytes thin layerCovered by a mes
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