Anatomy and Cell Biology 3319 Chapter : Digestive Anatomy.docx
25 Apr 2014
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Digestive anatomy: tubal: allow for propulsion of food or digestion, accessory organs: organs that help with digestion (liver, gall bladder & pancreas) Lips (labia) and the cheeks help keep food inside while chewing: composed of a core of skeletal muscle covered by skin, cheeks buccinators muscles, lips orbicularis oris muscle. The palate: forms the roof of the mouth, has 2 distinct parts, hard palate anteriorly. Forms rigid surface against which the tongue forces food during chewing: soft palate posteriorly. Pharyngeal tympanic tube: popping in ears (on airplane, within nasopharynx, connect pharynx to middle ear, can get infection coming from the throat and enter ears. In kids skulls haven"t grown so tube is more horizontal = more susceptible. Infection ear feel plugged: due to tonsil expanding: creating antibodies that are required. Like all mucosae, tonsils consist of an epithelium underlain by a connective tissue lamina propria. Infection: tonsils are large, red, sore, swollen, too painful to swallow.
