Receptor
Encyclopedia
Receptor may refer to:
- Sensory receptorSensory receptorIn a sensory system, a sensory receptor is a sensory nerve ending that responds to a stimulus in the internal or external environment of an organism...
, in physiology, any structure which, on receiving environmental stimuli, produces an informative nerve impulse - Receptor (biochemistry)Receptor (biochemistry)In biochemistry, a receptor is a molecule found on the surface of a cell, which receives specific chemical signals from neighbouring cells or the wider environment within an organism...
, in biochemistry, a protein molecule that receives and responds to a neurotransmitter, or other substance - Immune receptorImmune receptorAn immune receptor is a receptor, usually on a cell membrane, which binds to a substance and causes a response in the immune system.-Types:...
, a special case of biochemical receptor that occurs on the surface of immunocytes and binds to antigens