1Neuron
cell that sends and receives messages throughout the body
2dendrites
recives messages from other neurons.
3nucleus
contains genetic material(DNA) which is the basic information to manufacture all protein charecteristic of that cell
4information that comes from other neurons come in chemicals called
neurotransmitters
5soma
the cell body of the neuron responsible for maintaining the life of the cell
6axon
carries neural messages from the dendrites to the terminal for communication with other cells
7resting potential
state of the neuron when not firing a neural impulse
8action potential
the release of the neural impulse/ electrical signal from one neuron to the next
9mylein sheath
Fatty substances that coat the
axons of neurons to insulate, protect, and
speed up the neural impulse/ insalutory material that helps prevent the signal from degrading
10when a signal reaches the axon its then an called
action potential
11synapse
Microscopic fluid-filled space
between the axon terminal of one cell and the
dendrites of the next/ where nerve impulses are relayed from the axon terminal of one neuron and the dendrit of the next
12neurotransmitters
chemical messengers that transfer signals acoss a synapse to effect the adjacent cell
13reuptake
the process by which neurotransmitters are taken back into the synapse
14agonist
mimic or enhance the effect of an NT
15antagonist
block or reduce the effect of an NT
16CNS consist of
Brain and spinal cord
17Reflex arc with fire
sensory neurons carries info to cns. interneurons receive signal and sends it to motor neurons so you move your hand