Depolarization
otheruses In biology, depolarization is a decrease in the absolute value of a cell s membrane potential ... negative are both depolarizations. In neurons and some other cells, a depolarization large enough may ..
Depolarization (disambiguation) Depolarization or depolarizer may refer to Depolarization , a decrease in the absolute value of a cell s membrane potential Depolarizer , a substance used to depolarize an electrochemical cell Depolarization ..
Depolarization ratio
otheruses Depolarization disambiguation Image Cyclohexane Polarized Raman.JPG right In Raman spectroscopy , the depolarization ratio is the intensity ratio between the perpendicular component and the parallel ..
Depolarization-induced suppression of inhibition
confusing date September 2008 expert date September 2008 tone date September 2008 Depolarization induced ... to 0 mV for a period of 1 to 10 seconds. After the depolarization, inhibitory GABA mediated neurotransmission ..
Myogenic
cells . When the membrane potential reaches Action potential Threshold and initiation depolarization ... s that continuously cycle through depolarization and repolarization phases. However, not every cycle ..
Antidromic
For most neurons, their dendrites , soma biology soma , or axons are depolarization depolarized forming an action potential that moves from the starting point of the depolarization toward the axons of the neuron ..
VPD
humidity and saturation. Ventricular Premature Depolarization , in medicine, a negative cardiac event ..
Effective Refractory Period
. Cells may or may not be in an absolute refractory period ARP . During this period depolarization on adjacent cardiac muscles does not produce a new depolarization in the current cell as it has to refract ..
End-plate potential depolarization which can be induced in a muscle ie. represents a MEPP. If multiple vesicles are released ... Chapter 45 ref Because the electrical depolarization of a muscle must be an integer multiple of the MEPP ..
Slow wave potential
Refimprove date February 2008 In neurobiology , a slow wave potential is a depolarization in a myocyte ... membrane potentials that continuously cycle through depolarization and repolarization phases. However ..
Axolemma
ions can flow. This changes the voltage inside the axon and can depolarization depolarize or hyperpolarization hyperpolarize the cell. Adequate depolarization will lead to an action potential , which ..
Peripheral chemoreceptor
and increase in acidity of the blood . Chemostimuli lead to depolarization of excitable cells, transmitter ..
Excitatory synapse
synapse , the neurotransmitter opens sodium channels sodium Na sup sup channels , a slight depolarization ..
Repolarization
In neuroscience , repolarization refers to the change in membrane potential that returns the membrane potential to a negative value after the depolarization phase of an action potential has just previ ...
Cardiac rhythmicity
Orphan date January 2007 Cardiac rhythmicity is the spontaneous depolarization and repolarization event that occurs in a repetitive and stable manner within the cardiac muscle. Rhythmicity is often abnormal ..
Threshold potential
is the membrane potential to which a membrane must be depolarization depolarized to initiate ... will depolarization depolarize and thus excite, while channels for potassium or chloride will hyperpolarization ..
Nicotinic agonist
type nicotinic receptor Muscle type depolarization block muscle relaxant decamethonium Muscle type nicotinic receptor Muscle type depolarization block none varenicline ?4?2 partial agonist tobacco smoking ..
Intrinsicoid deflection
significance In the presence of bundle branch block or ventricular hypertrophy, the depolarization ..
Lewis lead
it will be roughly perpendicular to the wave of atrial depolarization, flutter waves may be more apparent ..
Ionotropic effect
, whether the effect is a depolarization or a hyperpolarization respectively. Examples Noradrenaline ..
Non-noradrenergic, non-cholinergic transmitter
postganglionic sympathetic neuron s e.g. in blood vessel s & vas deferens Fast depolarization contraction ... depolarization acetylcholine cotransmitter substance P peptide sympathetic ganglia enteric nervous ..
Bathmotropic depolarization of the resting membrane potential Mild to Moderate Hyperkalemia ref linkinghub.elsevier.com retrieve pii S016752730500269X ref causes a partial depolarization of the resting membrane potential ..
Hyperpolarization (biology)
however, hyperpolarization and its opposite, depolarization are sometimes used in a different way than described above. See the article depolarization for its technical definition and how it is used ..
Aleksander Jab?o?ski
mechanical pressure broadening and concentrational quenching and depolarization of photoluminescence ..
T-tubule
skeletal and cardiac muscle cells. These invaginations allow depolarization of the membrane to quickly ... below . That is, the wave of depolarization that spreads down the t tubles allows for opening of calcium ..
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