Functions Of Parasympathetic Nervous System

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Functions Of Parasympathetic Nervous System

Abdomen

Gall bladder

Secretory to the glands

motor to muscles

Thorax

Lung

increase bronchial secretion of pulmonary blood vessels.

Bronchoconstriction

Heart

↓ power of contraction

↓ conduction velocity through atrioventricular node

↓ heart rate

inhibition all cardiac properties

Pelvic nerve

Rectum

defecation

Bladder

micturation

Male genitalia

erection and egaculation

Female genitalia

erection of the clitoris

Head and Neck

Glossopharyngeal (IX) nerve

posterior third of the tongue VD

Facial (VII) nerve

Anterior 2/3 of the tongue (VD).

Lacrimal and nasal glands : secretion and VD.

Salivary glands : True secretion & VD

Oculomotor (III) nerve

Contractioin ciliary muscle

reduces intraocular pressure.

increase in power of the lens

pupilloconstriction