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Esophagus & Pharynx
24.5, 24.6--Pharynx and Esophagus
Term | Definition |
---|---|
Bolus | Flexible mass of food after mastication and saliva |
Pharynx | Funnel shaped tube from internal nares to esophagus posteriorly and larynx anteriorly ; helps move |
Esophagus | Begins at Inferior End of Laryngopharynx, pierces diaphragm at esophageal hiatus, and ends in superior portion of stomach; Vagus Drained: Esophageal Veins Arteries: Esophageal (from thoracic aorta, inferior thyroid, intercostal, phrenic, left gastri |
Adventitia | Superficial layer of esophagus |