Receptor may refer to:
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Sensory receptor
Sensory neurons, also known as afferent neurons, are neurons in the nervous system, that convert a specific type of stimulus, via their receptors, into action potentials or graded potentials. This process is called sensory transduction. The cell ...
, in physiology, any structure which, on receiving environmental stimuli, produces an informative nerve impulse
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Receptor (biochemistry), in biochemistry, a protein molecule that receives and responds to a neurotransmitter, or other substance
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Cell surface receptor, a receptor on the outer surface of a cell membrane, that takes part in communication between the cell and the outside world
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Nuclear receptor
In the field of molecular biology, nuclear receptors are a class of proteins responsible for sensing steroids, thyroid hormones, vitamins, and certain other molecules. These receptors work with other proteins to regulate the expression of speci ...
, a receptor found within cells that is responsible for sensing steroid and thyroid hormones and certain other molecules
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Immune receptor
An immune receptor (or immunologic receptor) is a receptor, usually on a cell membrane, which binds to a substance (for example, a cytokine) and causes a response in the immune system.
Types
The main receptors in the immune system are pattern rec ...
, a receptor that occurs on the surface of immunocytes and binds to antigens
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Receiver (radio)
In radio communications, a radio receiver, also known as a receiver, a wireless, or simply a radio, is an electronic device that receives radio waves and converts the information carried by them to a usable form. It is used with an antenna. T ...
, a device for the reception of electromagnetic signals.
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