voltage summation
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Tetany (action potential summation) — Tetany is a muscular physical state at which action potentials from nerves arrive to the skeletal muscle motor end plate rapidly enough in succession to cause a steady contraction. This differs from individual twitches in that the twitches are… … Wikipedia
Dendritic spike — Figure A. shows the idealized phases of an action potential. Figure B. is a recording of an actual action potential N.B. Actual recordings of action potentials are often distorted compared to the schematic view because of variations in… … Wikipedia
Muscle contraction — See also: Twitch and Tremor Top down view of skeletal muscle Muscle fiber generates tension through the action of actin and myosin cross bridge cycling. While under tension, the muscle may lengthen, shorten, or … Wikipedia
Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… … Wikipedia
HCN-Kanal — Sekundär bis Quartärstruktur Heteromultimer, multi pass Membranprotein … Deutsch Wikipedia
End-plate potential — Miniature end plate potentials and end plate spikes recorded from muscle fiber End plate potentials (EPPs) (sometimes called end plate spikes ) are the depolarizations of skeletal muscle fibers caused by neurotransmitters binding to the… … Wikipedia
Length constant — is a constant used in neurobiology signified by the Greek letter lambda ( lambda;).In an action potential (or in a passive spread of signal) in a neuron, the constant lambda; is: lambda = sqrt{frac {r {m {(r {i}+ r {o}) where rm is the resistance … Wikipedia
Time constant — In physics and engineering, the time constant usually denoted by the Greek letter au , (tau), characterizes the frequency response of a first order, linear time invariant (LTI) system. Examples include electrical RC circuits and RL circuits. It… … Wikipedia
Addition — is the mathematical process of putting things together. The plus sign + means that two numbers are added together. For example, in the picture on the right, there are 3 + 2 apples meaning three apples and two other apples which is the same as… … Wikipedia
Group C nerve fiber — Infobox Anatomy Name = PAGENAME Latin = GraySubject = GrayPage = Caption = C fiber not labeled, but substantia gelatinosa of Rolando is Rexed lamina II, labeled at upper left. Caption2 = Precursor = System = Artery = Vein = Nerve = Lymph =… … Wikipedia
Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… … Wikipedia
