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Unformatted text preview: Dwayne Chang [email protected] OH: Wed 12:30P @ Leichtag Lobby Professor: Dr. Fortes BIPN 100 Winter 2008 Week 5 –Autonomic Nervous System, Hormones, Signal Transduction Pathways Autonomic Nervous System Organ Effect of sympathetic stimulation (fight/flight) Effect of parasympathetic stimulation (rest/digest) Heart- Muscle- Coronaries- rate; force of contraction (β 1 )- Dilates (β); constricts (α)- rate; force of contraction (mostly via atrium)- Dilates Systemic arterioles- Abdominal- Muscle- Skin- Constricts- Constricts (α); Dilates (β 2 )- Constricted------ Lungs- Bronchi- Blood vessels- Dilates (β 2 )- Constricts (slightly)- Constricts--- Adrenal Medulla catecholamine secretion-- Liver Release glucose Small glycogen synthesis Sweat glands sweating (α)-- Salivary glands Mucus & enzyme secretion (α, β 2 ) Watery secretion Gut- Lumen- Sphincter- peristalsis and tone- tone- peristalsis & tone- relaxes Gall bladder & Bile ducts Relaxes Constricts Kidney urine renin secretion (β 1)-- Bladder Urinary retention (α, β 2 ) Release urine Penis Ejaculation Erection Basal metabolism...
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- Winter '07
- Dr. Fortes, Dwayne Chang d2chang, Dwayne Chang, Leichtag Lobby