Nerves Flashcards
What makes up the central nervous(CNS)?
brain and spinal cord
what does the peripheral nervous system consist of?
nerves
what are the nerves connecting head to brain and brain to head?
cranial nerves
what nerves connect body/limbs to brain and vise versa?
spinal nerves
what nerves connect organs to brain and vise versa?
autonomic nerves
In a single nerve cell what is the direction of impulse?
dendrite-cell body-axon
in the CNS a group of nerve bodies is called what?
nucleus
in the PNS a group of nerves bodies is called what?
ganglion
what is a synapse?
a gap/junction between 2 nerves
How many lobes does each cerebral hemisphere have?
4
What are the names of 4 lobes within each cerebral hemisphere?
frontal lobe
parietal lobe
occipital lobe
temporal lobe (looks like thumb of boxing glove)
How are the cranial nerves numbered?
from front to back
What is CNI called?
olfactory nerve
What is CNII called?
optic nerve
What is CNIII called?
Oculomotor nerve
What is CNIV called?
trochlear nerve
What is CNV called?
trigeminal nerve
What is CNVI called?
abducent nerve