Search Results for: resting potential
Resting potential
Resting Potential Definition The resting potential of a cell is defined as the difference in electrical potential across... 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
Inhibitory postsynaptic potential
Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... 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
Generation of resting membrane potential
Stephen H. WrightDepartment of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... 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 postsynaptic potential
Definition noun A type of postsynaptic potential where the binding of neurotransmitters with the postsynaptic receptors... Read More
Microelectrode
Definition noun, plural: microelectrodes An electrode with a tip having dimensions of the order of one micrometer, thereby... 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
Energy coupling
What is Energy Coupling? Work, whether it be physical or biological, requires energy to be expended. In biological... 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
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Repolarization
Definition noun The process or act of repolarizing; the restoration of a polarized condition Supplement In physiology,... 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
Polarization
Definition noun (general) The condition of polarity (biology) The process or act of producing positive and negative... 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
Selectively-permeable membrane
Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More
Buck’s traction
Buck's Traction Definition Buck's traction for femur fracture is very helpful. It can be utilized in the treatment and... Read More
Infradian rhythm
What is the Infradian Rhythm? An infradian rhythm is a type of biological rhythm that lasts longer than 24 hours, with a... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Catabolism
Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More
Crown of head
Crown of Head Definition The crown of the head is the upper dorsal part (or area) of the head. Several creatures have... Read More
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More