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04_Lecture Notes_NPB 114

Respiratory 2 region you never want to have food in

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Unformatted text preview: ptides 5 Lecture 4 July 5, 2012 Salivary Secretions – Pharynx and Esophagus – Swallowing Lecture 4 iii. Oil/ Lipid soluble molecules – “Lipids” 1. Fats / Trigylceride iv. Cholesterol Esters II.  ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ END OF MIDTERM I MATERIAL  ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ The Pharynx and Esophagus a. Anatomy 6 July 5, 2012 Salivary Secretions – Pharynx and Esophagus – Swallowing i. Nasopharynx 1. Respiratory 2. Region you never want to have food in ii. Oropharynx and hypopharynx 1. Both respiratory and GI iii. Oropharynx 1. Has pharangeal constrictors that help push food down iv. Sof Palette 1. Musculature 2. Contraction swings upwards v. Tongue 1. Move things around vi. Bottom of hypopharynx 1. Movement allows swallowing vii. Epiglottis 1. Open when breathing 2. Closed when eating viii. Larynx 1. Opening to trachea 2. Vocal chords ix. When we swallow we have to ensure that it ends up in the esophagus 1. All vasculature has skeletal muscle (up to before esophagus) b. Esophagus i. Anatomy within human...
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