ANS Flashcards
What does ANS consist of
Motor neurons for smooth and cardiac
Subconscious control
What 3 ways does ANS differ from SNS
Effectors
Efferent pathway
Target organ response
What do preganglionic neurons release
Ach
What do post ganglionic fibers real ease
Norepinephrine and Ach
What are 2 divisions of ANS
Sympathetic
Parasympathetic
What happens to blood flow in sympathetic
Flow to organs reduced
Muscles flow increased
What has short pre and long post
Sympathetix
What has long pre and short post
Parasympathetic
What cranial nerves are involved in parasympathetic
Oculi motor
Facial
Glosso
Vagus
What are lateral horns
Sympathetic
Where do preganglionic axons pass through
White rami
Where do post ganglionic pass through
Grey rami
How many chain ganglia are there
23 3 cervical 11 thoracic 4 lumbar 4 sacral 1 coc
What receptors are always stimulators
Nicotinic
