1. Intro to the Nervous System Flashcards
What types of neurons are pseudounipolar?
Sensory neurons
What types of neurons are bipolar?
Peripheral sensory neurons
What types of neurons are multipolar?
Central nervous system neurons
Name the 3 meninges
Dura mater
Arachnoid mater
Pia mater
What is a ridge on the brain called?
gyrus
What is a groove in the brain called?
sulcus
Where is cerebrospinal fluid made?
Ventricles
Give 3 functions of CSF
Supplies nutrients
Removal of waste products
Protection
What is a plexus?
A network of nerves
What is a dermatome?
Area of skin supplied by one spinal nerve
What is a myotome?
Group of muscles innervated by a single spinal nerve
What is the difference between somatic and visceral sensation?
Somatic: aware of it, well localised
Visceral: Imperceptible, may only be able to feel in disease
Give 5 effects of the sympathetic nervous system
- Increase HR and BP
- Vasodilation
- Pupil dilation
- Bronchiole dilation
- Close sphincters