Exam 1 Flashcards
Divisions of Nervous System
- central
2. Peripheral
CNS Function and Controls __
mental processes (thinking, understanding, problem solving) Controls: perception and discrimination of sensory information (can discriminate between hot and cold)
PNS functional systems
somatic & autonomic
Somatic nervous system controls:
Two components:
controls: conscious sensory perception and voluntary movement
Components: cranial nerves and spinal nerves
CNS is protected by what 3 barriers
- skull & spinal column
- meninges
- cerebrospinal fluid
Autonomic Nervous System function:
What two main components:
function: involuntary control of glands and visceral system (large organs of the body: bowels)
Sympathetic & parasympathetic
Human Skull has ___ plates joined together
8
Opening at base of the cranial vault that serves as a conduit for brain stem to connect to spinal cord
Foramen Magnum
Spinal Column consists of ___ vertebrae
33
5 categories of vertebrae
- cervical
- thoracic
- lumbar
- sacral
- coccygeal
opening in center of vertebrae (rough circular opening):
vertebral foramen
Notches between vertebrae (spinal nerves exit through these notches)
intervertebral foramina
Foramen = ___, foramina = __
opening, plural openings
Meninges are the
protective covering of the brain and spinal cord
Meninges are made up of what 3 membranes?
- Dura mater
- Arachnoid
- Pia Mater