electrically excitable membrane

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• 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

• Neuron — This article is about cells in the nervous system. For other uses, see Neuron (disambiguation). Brain cell redirects here. For other uses, see Glial cell. Neuron: Nerve Cell …   Wikipedia

• twitch muscle — Striated muscle innervated by a single motoneuron and having an electrically excitable membrane that exhibits an all or none response (cf. tonic muscle) : in mammals almost all skeletal muscles are twitch muscles. Physiologists often divide… …   Dictionary of molecular biology

• Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …   Wikipedia

• Cell surface receptor — The seven transmembrane α helix structure of a G protein coupled receptor Cell surface receptors (membrane receptors, transmembrane receptors) are specialized integral membrane proteins that take part in communication between the cell and the… …   Wikipedia

• Refractory period — In physiology, a refractory period is a period of time during which an organ or cell is incapable of repeating a particular action, or (more precisely) the amount of time it takes for an excitable membrane to be ready for a second stimulus once… …   Wikipedia

• resting potential — ▪ biochemistry       the imbalance of electrical charge that exists between the interior of electrically excitable nerve cells and their surroundings. The resting potential of electrically excitable cells lies in the range of −60 to 95 millivolts …   Universalium

• Electrical brain stimulation — is a technique used in research and clinical neurobiology to stimulate a neuron or neural network in the brain through the direct or indirect excitation of its cell membrane by using an electric current. It is used for research or for… …   Wikipedia

• Ion channel linked receptors — are cell membrane bound receptors. They act through synaptic signaling on electrically excitable cells. The ion channels opening and closing is controlled by neurotransmitters.Ion channel linked receptors are also called ligand gated channels .… …   Wikipedia

• SK channel — SK channels (Small conductance calcium activated K (potassium) channels) are a subfamily of Ca2+ activated K+ channels.cite journal | author = Bond CT, Maylie J, Adelman JP | title = Small conductance calcium activated potassium channels |… …   Wikipedia

• Carotid body — Infobox Anatomy Name = PAGENAME Latin = glomus caroticum GraySubject = 277 GrayPage = 1281 Caption = Section of part of human glomus caroticum. Highly magnified. Numerous bloodvessels are seen in section among the gland cells. Caption2 = Diagram… …   Wikipedia