23 results found

Search Results for: depolarization

Depolarization

Depolarization is the removal of polarity by a process or action. It might also be used to describe how such activity leads... 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

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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

Inhibitory postsynaptic potential

Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Sarcolemma

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

Axon

What Is Axon? An axon is a thin, long fiber of a nerve cell (or neuron). It transmits electrical impulses from the 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

Resting potential

Resting Potential Definition The resting potential of a cell is defined as the difference in electrical potential across... Read More

Agonal rhythm

Agonal Rhythm Definition Agonal rhythm is the slow, irregular heart rhythm (electrical activity of the heart), particularly... Read More

Repolarization

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

Glycolysis

What is Glycolysis and Why is it Important? Glycolysis is a metabolic pathway by which the 6-carbon molecule of glucose is... Read More

Subliminal stimulus

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

Polarization

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

Excitatory postsynaptic potential

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

Hyperpolarization

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

Dendrite

Dendrite Definition Dendrites are the protoplasmic projections from the neuron cells that receive the electrochemical... 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

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