26.2b Regulation of salivary secretions
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8 Terms
Where are salivary secretions regulated?
Salivary nuclei within the brainstem (pons)
What maintains the basal level of salivation?
Parasympathetic stimulation
Where are stimuli detected that influence salivary secretion?
In the oral cavity and stomach
What type of stimuli are especially detected by receptors affecting salivation?
Acids
Where are signals from receptors sent to regulate salivation?
salivary nuclei in the brainstem
What additional source can send signals to influence salivary secretion?
Higher brain centers in response to the thought of food
What effect does increased parasympathetic output have on salivary glands?
It increases salivary secretion
How does sympathetic stimulation affect saliva?
It results in more viscous saliva