Synaptic Transmission
A chemical messenger that can travel across the synapse.
What is a neurotransmitter?
The neuron at rest with a membrane potential of -70mv.
What is resting membrane potential?
This type of transport moves things along the concentration gradient.
What is passive transport?
This part of the neuron receives incoming messages.
What are dendrites?
This channel allows for the passive transport of Na+ ions along the concentration gradient when a ligand binds to the channel.
What is a ligand-gated Na+ channel?
This organelle contains neurotransmitter.
What is a vesicle?
-80mv, when too much potassium has left the cell
What is hyperpolarization?
The type of transport that allows molecules to travel against the concentration gradient.
What is active transport?
The zone of communication between to neurons.
What is the synapse?
This channel allows for the movement of Na+ ions along the concentration gradients when the channel senses a certain voltage.
What is a voltage gated Na+ channel?
This type of clearance occurs at all synapses.
What is diffusion?
A flow of sodium ions moving into the cell causing an increase in positivity inside the cell?
What is depolarization?
The sodium potassium pump allows this amount of sodium ions out of the cell.
What is 3?
This part of the neuron house vesicles that contain neurotransmitter.
What is the axon terminal?
A difference of concentrations between two regions. For example, inside and outside the cell.
What is a concentration gradient?
This is the byproduct of enzyme degradation.
What is metabolite?
A flow of potassium ions to the outside of the cell causing a decrease in positivity on the inside of the cell.
What is repolarization?
A type of passive transport used to move ions and polar molecules with the assistance of channels.
What is facilitated diffusion?
This type of brain cells do not transmit messages but instead support the nervous system.
What are glial cells?
Miley Cyrus sang a song about waving her hands and having a party in this country.
What is the USA?
This neurotransmitter is involved in the flight or fight response.
What is epinephrine/norepinephrine?
During this time a neuron cannot send another signal.
What is refractory period?
The type of transport that allows neurotransmitter to exit the cell/
What is exocytosis?
This part of the neuron encapsulates the axon and allows for faster neural signaling.
What is the myelin sheath?
Your teacher's dog breed.
What is a husky?