BNS

the movement of an action potential down the length of an unmyelinated axon

the level of depolarization at when an acton potential is initiated

a receptor protein in the postynaptic membrane in which the recognition site is located in the same structure as the ion channel

cells in the nervous system that support the activites of neurons

a small structure within a cell that carries out a specific function

the main mass of a neuron containing the nucleus and many organelles

the largest fiber in the cell cytoskeleton responsible for the transport of neurotransmitter and other products to and from the cell body

movement of materials from the cell body of a neuron to the axon terminal along the microtubes.

movement of a material from the axon terminal back to the cell body via the systems of microtubules

a neural fiber found in the cell cytoskeleton that is responsible for structural support

the smallest fiber foung in the cytoskeleton that is responsible for structural support

the substructure within a cell body that contains the cells dna

a substructure within the cell nucleus where robosomes are produced.

an organelle in the cell body involed with protein synthesis

the period in which an action potential will not occur in a particular location of an axon regardless of input

a glial cell that forms the myelin on axons in the peripheral nervous system

a large, star shaped glial cell of the central nervous system, responsible for structural support isolation of the synapse, control of the extracellular chemical environment of the synapse and possibly communication

a glial cell that forms the myelin on the central nervous system axons

a neuron that has multipple branches usually are axon and numerous dendrites

a specialized neuron that translates sensory information into electrical signals.

a nerve that serves as a bridge between sensory and motor neurons

large glial cells including astrocytes oligondedrytes and schwane cells

tiny mobile glia cells  that migrate to areas of damage and digest debri

the transmission of a wave through a medium; in neurons its the replication of the action potential down the length of the axon

an electric signal that can vary in size and shape

a synapse in which both the post and presynoptic elements are axons.

the period following an action potential in which larget than normal input will produce a second action potential but in which normal input will be insufficient

a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or transmitters

a receptor in the presynaptic membrane that recaptures released molecules of neurotransmitters in the process of reuptake

a process for ending the action of neurotransmitters in the synaptic gapin which the presynaptic membrane receptors the transmitters molecules

a protein found in the intracellular side of a metabutropic receptor that separates in response to the bonding of neurotransmitter substance and travels to adjacenet areas of the cell to affect ion chemicals or second messages

a protein structure embeded in the postynaptic membrane containing recognition site and g protein. Neurotransmitters binding to these receptors do not directly open ion channels

the movement of the electrical charge within a cell in a more negative directions

a molecule within a receptor site that bonds to specific chemical messengers

a special protein structure embedded in neural membrane that responds to chemical messangers

receptor site located on the presynaptic about the cells own activity levels

a type of synapse on which a neuron directly affetcs in adjecent neuron through the movements of ions from one cell to another

the process in which vessicles membrane of the axon terminal and release neurotransmitter molecules into synaptic gap

the movement of an electrical charge within a cell in a more positive direction

at a synapse between two actions the decrease of neurotransmitter release by the postynaptic axon as a result of the input from the presynaptic axon

the determination of weather to fire an action potential based on the summation of inputs to a neuron

a small hyperpolarization produced in the postsynaptic cell as a result of input of a presynaptic cell

a small depolirization produced in the postsynaptic cell as a result of input from the presynaptic cell

a type of synapse on which the messages are transmitter from one neuron to another by chemical neurotransmitters

the movement of an action potential from mode of Randier to node of Randier down the length of an ayelinated axon

neural intergration in which excitation from one active synapse is sufficient to initiate the formation of the action potential

a synapse between two axons. the increase of neurotransmitter release by the postsynaptic axon as a result of inout from a presynaptci axon