04_Lecture Notes_NPB 114

Important for volume production d initial

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Unformatted text preview: food (can chew on gum, pencil, or plastic) 4. Sour > Salt > Sweet > Bitter iii. All probably mediated by parasympathetic (PNS) input 1. Necessary for maintain salivary 2. Produce more of a watery secretion iv. Sympathetic can also stimulate 1. Biphasic response a. Drop in the salivary secretions b. Flow rate drops then increases afterward c. Important for volume production d. Initial vasoconstriction that drops off blood supply, causing the flow rate to drop e. SNS input will then stimulate protein production f. Local hyperenia 2. Produce more of a protein rich secretion 3. Does not maintain tissue v. Nausea can stimulate salivary secretions 1. Tend to produce a very watery secretion vi. Fear, depression, lack of sleep 1. Decreases salivary secretions 2. Not clear what is influencing that h. Macromolecules and Digestion Products i. Carbohydrates 1. Monosaccharide a. Glucose b. Fructose c. Galactose 2. Disacharride a. Lactose 4 July 5, 2012 Salivary Secretions – Pharynx and Esophagus – Swallowing i. Glucose linked with Galactose b. Sucrose i. Glucose linked with Fructose 3. Starches/ Glycogen a. Starches found in plant material b. Amylose i. Alpha 1,4 linkages c. Amylopectin i. Contains alpha 1,6 linkages ii. Represents majority of our diet ii. Protein 1. Can absorb single peptides, dipeptides, and tripe...
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This note was uploaded on 06/12/2013 for the course NPB 114 taught by Professor Bautista during the Summer '08 term at UC Davis.

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