Search Results for: ion channel
Ion channel
Definition noun, plural: ion channels A single protein or protein complex that traverses the lipid bilayer of cell membrane... Read More
Ion Channels of Excitable Membranes (3rd Edition)
Ion Channels of Excitable Membranes (3rd Edition) ... Read More
Gated ion channel
Gated ion channel (Science: physiology) transmembrane proteins of excitable cells, that allow a flux of ions to pass only... Read More
Ligand gated ion channels
Ligand gated ion channel a transmembrane ion channel whose permeability is increased by the binding of a specific ligand,... 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. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More
Sarcoplasmic reticulum
Definition noun plural: sarcoplasmic reticula (cell biology) The special type of smooth endoplasmic reticulum found in... Read More
Movement of Molecules Across Cell Membranes – Quiz
[mlw_quizmaster... Read More
Facilitated diffusion
Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More
Channel forming ionophore
Definition noun An ionophore forming a channel from where ions can pass through a hydrophobic medium, such as the interior... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... 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
Hydrogen-transporting ATP synthase
Definition noun A membrane enzyme that allows the diffusion of protons (hydrogen ions) through its proton channel component... Read More
Cyclic guanosine monophosphate
Definition noun plural: cyclic guanosine monophosphates (biochemistry) A cyclic form of guanosine monophosphate (chemical... Read More
Cyclic adenosine monophosphate
Definition noun plural: cyclic adenosine monophosphates (biochemistry) A cyclic form of adenosine monophosphate that... Read More
Polarization
Definition noun (general) The condition of polarity (biology) The process or act of producing positive and negative... Read More
Concentration gradient
Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
ATP synthase
Definition noun, plural: ATP synthases An enzyme that catalyzes the formation of ATP from the phosphorylation of ADP with... Read More
Ion carrier
Definition noun, plural: ion carriers An ionophore that facilitates transport of ion through a hydrophobic medium, such as... Read More
Amphipathic
Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... Read More
Excitatory postsynaptic potential
Definition noun A type of postsynaptic potential where the binding of neurotransmitters with the postsynaptic receptors... Read More
Chemiosmosis
Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... Read More
Inhibitory postsynaptic potential
Inhibitory postsynaptic potential is a type of postsynaptic potential where the binding of neurotransmitters with the... Read More
Transmembrane protein
Definition noun, plural: transmembrane proteins A protein that spans the entire biological... Read More
Mathematical Physiology by J. Keener & J. Sneyd
Mathematical Physiology ... Read More
Providing advanced undergraduate and graduate students with a foundation in the basic concepts of biophysics
Molecular and Cellular Biophysics ... Read More
Excitatory synapse
Definition noun (1) A synapse in which the nerve impulse in a presynaptic cell tend to increase the probability of the... Read More
Passive transport
Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective... Read More
Mitochondrion
Definition noun, plural: mitochondria A spherical or rod-shaped organelle with its own genome, and is responsible for the... Read More
Cell membrane
Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More
Gap junction
Definition noun, plural: gap junctions A type of cell junction characterized by the intercellular channel that is formed in... Read More