- 1. Signal comes to the neuron, ACH binds to receptors on dendrites, cell body, or axon. 2. Na+ channels open 3. Membrane depolarizes 4. Action potential is sent down axon 5. Voltage gated Ca+ channels open 6. Ca+ enters synaptic knob 7. Vesicles to fuse with membrane of synaptic knob. 8. Neurotransmitters are released.
- can be part of the brain or spinal cord. is in between nerves and conveys impulses from various parts of the CNS
- what is needed for a neuron to fire, becomes positive enough.
- 6.) Voltage gated K+ channels open on axon membrane and K+ moves out (repolarization)
- negative on the inside, so no action potential, polarized
- what is the value of the resting membrane potential
- somatic motor fibers are for muscle movments and somatic sensory fibers are for skin and special senses
- 11.) neurotransmitter binds to ligand gated channels on post-synaptic neuron neuron or motor end plate.
- central nervous system: brain and spinal chord, peripheral nervous system: nerves and ganglia outside of the CNS
- 4.) If enough + enters to reach threshold @ the axon hillock an action potential will fire
- at rest what ion is actively transported out of the cell
- liquid part of the blood used to transport
- pericardiacophrenic artery and musculophrenic artery (branches of internal thoracic artery)
- internal thoracic (mammary) artery, axillary artey, intercostal arteries
- subscapular artery, anterior circumflex humeral artery, posterior circumflex humeral artery
- What does a change in frequency define ?
- What is the fluid filled portion of the inner ear associated with hearing ?
- Where is the pressure change picked up May the hairs ?
- What are short distance local messengers called
- What is the fluid filled part of the inner ear associated with balance