RECEPTOR Definition & Meaning - Merriam-Webster
: 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 (biochemistry) - Wikipedia
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 | Nerve Endings, Signaling & Sensory Perception ...
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 …
What Are Receptors and How Do They Work in the Body?
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, Types and Examples | Biology Dictionary
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 …
RECEPTOR | definition in the Cambridge English Dictionary
RECEPTOR meaning: 1. a nerve ending that reacts to a change, such as heat or cold, in the body by sending a message…. Learn more.
receptor - Wiktionary, the free dictionary
1 day ago · receptor (plural receptors) (biochemistry, medicine) A protein on a cell wall that binds with specific molecules so that they can be absorbed into the cell in order to control certain …