Term
| oligodendrocytes produce myelin in the |
|
Definition
|
|
Term
| schwann cells produce myelin in hte |
|
Definition
| peripheral nervous system |
|
|
Term
| connects the cell body to the axon |
|
Definition
|
|
Term
|
Definition
|
|
Term
| more or less na outside of cell? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| voltage gated na channels open in response to depolarization, gt rapid depolarization, then those channels close while voltage gated K channels open. this returns the cell to a more negative potential |
|
|
Term
|
Definition
| returning the cell to a more negative potential by opening of voltage gated k channels |
|
|
Term
| action potential starts at |
|
Definition
|
|
Term
|
Definition
| jumping from node to node |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| 2 branches of nervous system |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| sympathetic, parasympathetic |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| forebrain, midbrain, hindbrain |
|
|
Term
|
Definition
| telencephalon, diencephalon |
|
|
Term
| divisions of telencephalon: |
|
Definition
| right and left hemispheres |
|
|
Term
| divisions of each hemisphere: |
|
Definition
| frontal, parietal, temporal, occipital |
|
|
Term
| cerebral cortex is part of the... |
|
Definition
|
|
Term
|
Definition
| process sensory input and motor response, memory, creative thought |
|
|
Term
| components of the diencephalon |
|
Definition
|
|
Term
|
Definition
| relay center for spinal cord and cerebral corex |
|
|
Term
|
Definition
| control hunger, thirst, sex drive, water balanace, BP, temp, endocrine system |
|
|
Term
| how right and left cerebral cortices communicate |
|
Definition
|
|
Term
|
Definition
| visual and auditory impluses, motor control |
|
|
Term
|
Definition
| cerebellum, pons, medulla |
|
|
Term
|
Definition
| motor impluses, balance, hand-eye coordination |
|
|
Term
|
Definition
| allow cortex to communicate with cerebellum |
|
|
Term
|
Definition
| vital functions: breathing, heart rate, GI actiivty |
|
|
Term
|
Definition
|
|
Term
| sensory info enters the spinal cord |
|
Definition
|
|
Term
| motor information enters the spinal cord |
|
Definition
|
|
Term
| innervates skeletal muscles and is responsible for voluntary movement |
|
Definition
|
|
Term
| reflexes occur at the level of the _____ and do not require participation of the ____ |
|
Definition
|
|
Term
| responsible for fight or flight |
|
Definition
|
|
Term
| uses ach for a preganglionic neurotransmitter and norepinephrine for the post |
|
Definition
| sympathetic nervous system |
|
|
Term
| uses ach for both pre and post ganglionic neurotransmitter |
|
Definition
|
|
Term
| uses throacic and lumbar regions of spinal cord |
|
Definition
|
|
Term
| uses cranial and sacral regions of spinal cord |
|
Definition
| parasympathetic (short post) |
|
|
Term
| monitor aspects of the internal environment |
|
Definition
|
|
Term
| transmit information regarding the position of the body in space |
|
Definition
|
|
Term
| sense things in the external environment |
|
Definition
|
|
Term
| photoreceptors (cones and rods) do what |
|
Definition
| transduce light into action potentials |
|
|
Term
| point at which optic nerve exits the eye--no photoreceptors are present |
|
Definition
|
|
Term
| important for high acuity of vision-has lots of cones |
|
Definition
|
|
Term
| site of release of neurotransmitter |
|
Definition
| synaptic knob (axon terminal) |
|
|
