Expression/Responses

Exocrine Glands

M1, M2, M3

Circular muscle of the pupil

M2, M3 (Contraction, miosis)

Ciliary muscle of the lens

M2, M3 (Contraction, accommodation)

Intestinal Smooth Muscle

M1, M2 (Increased contraction)

Urinary bladder detrusor muscle

M3, M2 (Contraction)

G.I. Sphincter smooth muscle

M2 (Relaxation)

Endothelial cells

M1, M3 (Release NO, causing relaxation of adjacent smooth muscle)

Heart atrial muscle

M2 (Decrease force of contraction)

Sinoatrial Node

M2 (Decreased heart rate)

Atrioventricular Node

M2 (Decreased Conduction Velocity)

Bronchiolar Smooth Muscle

M2, M3 (Increased contraction)

Vagus nerve gives only ___ stimulation of tissues?

Parasympathetic

The vagus nerve is often called?

Cholinergic (Ach is the neurotransmitter)