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11 Cards in this Set

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Pharynx
The throat, tube starts at the nares to the esophagus posteriorly and the larynx anteriorly
Nasopharynx
Superior portion of pharynx; posterior to the nose
Oropharynx
Intermediate portion of pharynx; from soft palate to hyoid bone
Laryngopharynx
Inferior portion of pharynx; From hyoid bone to esophagus and larynx
Esophagus
hollow muscular tube that connects pharynx and stomach
Length of esophagus
App. 10"
Esophageal hiatus
Where the esophagus pierces the diaphram
Peristalsis
Wave, pushes food though esophagus by progression of involuntary coordinated contractions and relaxations
Mucosa of esophagus
Nonkeratinized stratified squamous epithelial lining; mucosa gland esp. at distal end
Muscularis of esophagus
-Upper 3rd * skeletal muscles
-Middle 3rd * Skeletal + smooth
-Lower 3rd * Esp. of smooth muscles only
Adventia of esophagus
Not like serosa in that areolar conn. tissue of this layer is not covered by mesothelium- instead the conn. tissue attaches esphagus to tissue of mediastinum