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Digestive Physiology

Digestive Physiology. By: M.H.Dashti . Lecture 3. Physiological functions of the mouth ,pharynx &amp; oesophagus . Digestion in the Mouth. Mechanical digestion (mastication or chewing) Food breaks into pieces mixes with saliva so it forms a bolus Chemical digestion

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Oral Cavity and Pharynx

Oral Cavity and Pharynx. Prof. K. Sivapalan. Salivary Glands. Parotid – Serous [25 %] Sub Maxillary – Mixed [70 %] Sub Lingual, Buccal – mucus. [5 %] Basal secretion – 0.25 ml / min, 1500 ml/day. pH- 7 at rest, 8 active secretion. Buffers: bicarbonate, phosphate, mucin.

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350 views • 10 slides

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