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Chapter 14 Part 2
Effects of the P and S divisions
19
Anatomy
Undergraduate 2
04/29/2009

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Term
Eye (iris)
Definition

P: stimulates sphincter pupillae muscles; contricts pupils


S: Stimulates dilator pupillae muscle; dilates pupils

Term
Eye (ciliary muscle)
Definition

P: stimulates muscles, which results in bulging of the lens for close vision


S: Weakly inhibits muscles, which results in flattening of the lens for far vision

Term
Glands (nasal, lacrimal, gastric, pancreas)
Definition

P: Stimulates secretory activity


S: Inhibits secretory activity; causes vasocontriction of blood vessels supplying the glands

Term
salivary glands
Definition

P: stimulates secretion of watery saliva


S: Stimulates secretion of thick, viscous saliva

Term
Sweat glands
Definition

P: No effect


S: Stimulates copious sweating (cholinergic fibers)

Term
Heart Muscle
Definition

P: decreases rate; slows heart


S: increases rate and force of heartbeat

Term
Bladder/urethra
Definition

P: causes contraction of smooth muscle of bladder wall; relaxed urethral sphincter; prmotoes voiding


S: causes relaxation of smooth muscle of bladder wall; constricts urethral sphincter, inhibites voiding

Term
Lungs
Definition

P: contricts bronchioles


S: dilates bronchioles

Term
Digestive tract organ
Definition

P: increase motility and amount of secretion by digestive organs; relaxes sphincter to allow movement of foodstuffs along tract


S: Decreases activity of glands and mucles of digestive system and constricts sphincters

Term
Adipose tissue
Definition

P: No efect (no innervation)


S: Stimulates lipolysis (fat breakdown)

Term
Involves the E activities -- exersice, excitement, emergency, and embarrassment
Definition
Sympathetic Division
Term
Fight-or-flight response
Definition
Sympathetic Division
Term
Promotes adjustments during exercise
Definition
Sympathetic Division
Term
Heart rate increase, breathing rapidly
Definition
Sympathetic Division
Term
The ANS is divided into how many parts and what are their names?
Definition
2; sympathetic and parasympathetic
Term
Feed and breed or resting and digesting
Definition
Parasympathetic Division
Term
Involves the D activities -- digestion, defication, and diuresis (urination)
Definition
Parasympathetic Division
Term
Concerned with keeping body energy use low
Definition
Parasympathetic Division
Term
relaxation
Definition
Parasympathetic Division
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