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  1. 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 …

  2. Receptor (biochemistry) - Wikipedia

    Ligands connect to specific receptor proteins based on the shape of the active site of the protein. The receptor releases a messenger once the ligand has connected to the receptor.

  3. What Is the NMDA Receptor and How Does It Work?

    Nov 18, 2025 · The N-methyl-D-aspartate (NMDA) receptor is a protein complex embedded in the membranes of brain cells, playing a fundamental role in communication between neurons. As …

  4. Human nervous system - Receptors, Signals, Pathways | Britannica

    Oct 27, 2025 · Chemical receptors, or chemoreceptors, are sensitive to substances taken into the mouth (taste or gustatory receptors), inhaled through the nose (smell or olfactory receptors), or …

  5. 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 …

  6. Receptor - Definition, Structure, Types, Mechanism, Importance ...

    Mar 30, 2024 · What is Receptor? Receptors are specialized protein structures that play a pivotal role in cellular signal transduction. These proteins are designed to specifically bind to certain …

  7. Receptor | definition of receptor by Medical dictionary

    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 …

  8. What Is a Receptor Protein? Function and Major Types

    Aug 14, 2025 · Among the many types of proteins, receptor proteins are specialized molecules central to cellular communication. They act as molecular receivers, allowing cells to detect and …

  9. Receptor Definition and Examples - Biology Online Dictionary

    Jul 24, 2022 · A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and external environment, neural pathways that conduct …

  10. RECEPTOR Definition & Meaning | Dictionary.com

    RECEPTOR definition: an end organ or a group of end organs of sensory or afferent neurons, specialized to be sensitive to stimulating agents, as touch or heat. See examples of receptor …