Search Results for: potential
Resting potential
Resting Potential Definition The resting potential of a cell is defined as the difference in electrical potential across... Read More
Biotic potential
When we look at the different forms of life, we often wonder how they have continued to exist one generation after another.... Read More
Inhibitory postsynaptic potential
Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More
Generation of resting membrane potential
Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More
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
Excitatory postsynaptic potential
Definition noun A type of postsynaptic potential where the binding of neurotransmitters with the postsynaptic receptors... Read More
Osmotic Potential
Definition noun (1) The potential of water molecules to move from a hypotonic solution (more water, less solutes) to a... 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
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
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
Action potential
Definition noun A short-term change in the electrical potential on the surface of a cell (e.g. a nerve cell or muscle cell)... Read More
Miniature end plate potential
miniature end plate potential (Science: physiology) small fluctuations (typically 0.5 mV) in the resting potential of... Read More
Water potential
Definition noun The measure of the relative tendency of water to move from one area to another, and is commonly represented... Read More
Potential energy
potential energy (Science: chemistry) energy due to position, it is stored energy which can be used to do work. The... Read More
Environmental resistance
Environmental Resistance Definition Environmental resistance is such a process in which certain different elements or... 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
Redox reaction
Redox Reaction Definition What are redox reactions? This is a common term in chemistry and biology. In chemistry, a redox... Read More
![Osmotic pressure n., plural: osmotic pressures [ɑsˈmɑtɪk ˈpɹɛʃ.ɚ] osmotic pressure definition and example](https://www.biologyonline.com/wp-content/uploads/2020/11/osmotic-pressure-definition-and-example-300x168.jpg)
Osmotic pressure
Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
Carrier protein
Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More
Potential resource
Definition noun A type of natural resource that exists in a region and may be used in the future (in contrast to actual... Read More
Turgor pressure
In biology, turgor pressure pertains to the pressure that is exerted by the fluid (e.g. water) against the cell wall. It is... Read More
Hyperpolarization
Definition noun The process or act of making the membrane potential of a cell more negative Supplement Hyperpolarization is... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Subliminal stimulus
Definition noun, plural: subliminal stimuli (physiology) A stimulus inadequate to generate an action potential and thereby... Read More
Repolarization
Definition noun The process or act of repolarizing; the restoration of a polarized condition Supplement In physiology,... 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
Potentiality
potentiality The quality or state of being potential; possibility, not actuality; inherent capability or disposition, not... Read More
Nervous tissue
Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More
Reservoir host
Reservoir Host Definition A reservoir host is a host that harbors the pathogen and serves as a source of the infective... 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
Concentration gradient
What is a concentration gradient? A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be... Read More
Decremental conduction
Definition noun The impaired conduction in a portion of a fiber due to progressively lessening response of the unexcited... Read More