Salivary Secretion Flashcards
3 functions of saliva
Digestion, Lubrication, Protective
Saliva contains —— which breaks down starch to maltose and branched carbs
Alpha Amylase breaks down starch to maltose and branched carbs
Saliva contains what which helps protect against dental carries
flouride, calcium, phosphate
What ingredients in saliva make it protective in nature?
Lysozyme
Lactoferrin: chelates iron to make it unavailable for use in bacteria
In regards to salivary glands and their secretions, the smaller you get the thicker it gets
Parotid gland secretions- watery dilute saliva
Submaxillary gland- mucous and watery
Submandibular- Mucous and watery
See Ion concentrations vs flow rates chart
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As you move from the Acinus of the salivary gland to the duct opening, how do concentrations change>
You lose NaCl, water is impermeable so the amount of water stays the same and the concentration of water rises. Bicarb caoncentration goes up as does K
Parasympathetic stimulation leads to what response in the salivary glands
secretion, vasodilation, myoepithelial cell contraction, metabolism and growth of the glands