When a ligand binds to a corresponding receptor, it activates or inhibits the receptor's associated biochemical pathway, which may also be highly specialised. Receptor proteins can be also …

Receptor, molecule, generally a protein, that receives signals for a cell. Small molecules, such as hormones outside the cell or second messengers inside the cell, bind tightly and specifically to …

Aug 18, 2025 · Once a ligand binds to a receptor, it triggers signal transduction, converting the external signal into an internal cellular response. The binding typically induces a change in the …

RECEPTOR definition: 1. a nerve ending that reacts to a change, such as heat or cold, in the body by sending a message…. Learn more.

Feb 27, 2018 · A receptor is a protein which binds to a specific molecule. The molecule it binds is known as the ligand. A ligand may be any molecule, from inorganic minerals to organism …

Mar 30, 2024 · A receptor is a specialized protein molecule that selectively recognizes and binds to specific ligands, leading to cellular responses or signal transduction

A receptor, for example the eye, receives and transforms stimuli into sensory nerve impulses. Receptors vary in complexity from the end of a sensory neurone to a sense cell and complex …

Jul 24, 2022 · Receptor in the largest biology dictionary online. Free learning resources for students covering all major areas of biology.

: a cellular entity (as a beta-receptor or alpha-receptor) that is a postulated intermediary between a chemical agent (as a neurohormone) acting on nervous tissue and the physiological or …

receptor (reh-SEP-ter) A molecule inside or on the surface of a cell that binds to a specific substance and causes a specific effect in the cell.