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Bookmark or Share- 9.1 Signaling Molecules and Cellular ReceptorsEach cell-surface receptor has three main components: an external ligand-binding domain called the extracellular domain, a hydrophobic membrane-spanning region called a transmembrane domain, and an intracellular domain inside the cell. The size and extent of each of these domains vary widely, depending on the type of receptor.
- Receptor Definition & Meaning - Merriam-Webster1. : a cell or group of cells that receives stimuli : sense organ. 2. : a molecule (as protein) on the surface or in the inside of a cell that recognizes and joins to specific molecules causing a certain activity within the cell to begin.
- Cell Receptors: Function, Types, and Significance - Verywell HealthA receptor is a protein molecule in a cell or on the surface of a cell to which a substance can bind, causing a change in the activity of that particular cell. This article explains how cell receptors work, their role in the human body, and their significance.
- 7.2: Types of Receptors - Biology LibreTextsEach cell-surface receptor has three main components: an external ligand-binding domain, a hydrophobic membrane-spanning region, and an intracellular domain inside the cell. The size and extent of each of these domains vary widely, depending on the type of receptor.
- Receptor (biochemistry) - WikipediaIn biochemistry and pharmacology, receptors are chemical structures, composed of protein, that receive and transduce signals that may be integrated into biological systems. [1] These signals are typically chemical messengers [nb 1] which bind to a receptor and produce physiological responses such as change in the electrical activity of a cell.
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