20 results found

Search Results for: depolarization

Depolarization

Definition noun The deprivation or the process of neutralization of polarity, as that in nerve... Read More

Axon hillock

Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More

Graded potential

Definition noun, plural: graded potentials A change in the electrical potential on the membrane of an excitable cell (e.g. a... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Repolarization

Definition noun The process or act of repolarizing; the restoration of a polarized condition Supplement In physiology,... Read More

Repolarize

Definition noun To return to a polarized condition Supplement The term repolarize refers to the returning to an initially... Read More

Inorganic salt

Definition noun, plural: inorganic salts A salt that lacks C-H bonds Supplement A salt is defined as the neutral ionic... Read More

Hyperpolarization

Definition noun The process or act of making the membrane potential of a cell more negative Supplement Hyperpolarization is... Read More

Excitatory synapse

Definition noun (1) A synapse in which the nerve impulse in a presynaptic cell tend to increase the probability of the... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Generator potential

Definition noun A graded response to a stimulus, or a graded depolarization induced in the terminal of a sensory receptor,... Read More

Polarization

Definition noun (general) The condition of polarity (biology) The process or act of producing positive and negative... Read More

Excitatory postsynaptic potential

Definition noun A type of postsynaptic potential where the binding of neurotransmitters with the postsynaptic receptors... Read More

T tubule

Definition noun A deep invagination of the sarcolemma which appears as a small tubule that runs transversely from the... Read More

Subliminal stimulus

Definition noun, plural: subliminal stimuli (physiology) A stimulus inadequate to generate an action potential and thereby... Read More

Axon terminal

An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More