Neurons and Neurotransmitters
Acetylcholine
Definition Acetylcholine (ACh) is a neurotransmitter, which is a chemical messenger that helps tr...
Action Potential
Definition An action potential is a rapid electrical impulse that travels along the membrane of a...
Adrenaline
Definition Adrenaline, also known as epinephrine, is a hormone and neurotransmitter produced by t...
All-or-Nothing Response
Definition The all-or-none response refers to how neurons (nerve cells) work: when a neuron recei...
Axon
Definition An axon is a long, slender projection of a nerve cell (neuron) that carries electrical...
Dendrites
Definition Dendrites are tree-like extensions of neurons, which serve as the input regions where ...
Dopamine
Definition Dopamine is a neurotransmitter, which is a type of chemical in the brain that helps tr...
Endorphins
Definition Endorphins are natural chemicals produced in your brain that act as your body’s way of...
Gamma-aminobutyric acid (GABA)
Definition Gamma-aminobutyric acid (GABA) is a neurotransmitter, which means it's a chemical that...
Glial Cells
Definition Glial cells are specialized non-neuronal cells found in the nervous system that play a...
Glutamate
Definition Glutamate is a type of amino acid that plays a crucial role in the human body, particu...
Melatonin
Definition Melatonin is a hormone produced by the pineal gland in the brain. It plays a key role ...
Neuron
Definition A neuron is a specialized cell in the nervous system that transmits information throug...
Neurotransmitter
Definition A neurotransmitter is a chemical messenger in the brain that allows neurons (specializ...
Reuptake
Definition Reuptake is a process in the brain where neurotransmitters—chemicals that transmit sig...
Serotonin
Definition Serotonin is a chemical compound in the body that acts as a neurotransmitter, meaning ...
Synapse
Definition A synapse is a tiny gap between neurons where communication occurs through chemical me...
Mirror Neurons
Definition Mirror neurons are specialized brain cells that activate both when an individual perfo...