CNS

PNS

What is the somatic nervous system?

What is the visceral system? What are the tw categories?

Views of the brain: DORSAL

Views of the brain: VENTRAL

Views of the brain: LATERAL

Views of the brain: MEDIAL (midline)

Anterior

Posterior

Dorsal

Ventral

Midline

Medial

Lateral

Ipsilateral

Contralateral

Planes through the Brain:
1. Midsagittal

Planes through the Brain:
2. Horizontal:

Planes through the Brain:
3. Coronal

List the major parts of the CNS (4)

Cerebrum –______________ cortex
- two ________________ _______________divided by the ________ _____________ (midline)
- concerned with ________________ sensation and movement

Cerebellum
- ______ hemispheres
- concerned with ___________________ motor control

Brain stem
- most ______________ part of the brain
- concerned with ____ _____________ (respiration, body temp)

Spinal cord - responsible for ___

Major brain divisions:
1. Forebrain
-
-
2. Midbrain:
-
-
3. Hindbrain
-
-

The spinal cord has __ segments
Each segment has a pair of _____ ______
Each spinal nerve consists of a:
1. ___________ root (sensory)
2. _________ root (motor)

The spinal cord has five regions, with different numbers of spinal segments:
1.
2.
3.
4.
5.

What is a dermatome?

How many pairs of cranial nerves are there? What is their responsibility?

Meninges - "covering" (greek)
What are the 3 meninges that cover the brain?

The ventricular system is a set of ____interconnected cavities (ventricles) in the brain, where the __________________ is produced.

Most _____________ is found within the ventricular system, in the brain.
Spaces within the brain that contain CSF are called _________.
The ventricular system is a series of ventricles and canals that move CSF within the brain and transport in out to the _____________space.

Your ventricular system contains about ____ml of CSF.
You produce about _____ml/day