Receptor: A protein molecule that resides on the surface or in the nucleus of a cell. Receptors recognise and bind specific molecules of an appropriate size, shape and charge.

 

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Receptor: Protein on or protruding from the cell surface to which select chemicals can bind. The opiate receptor in brain cells allows both the natural chemical as well as foreign (opiate) chemicals to bind.

Glutamate Receptors: Glutamate receptors are protein molecules that helps gate the flow of ions across a nerve cell's membrane. They play a role in the formation of new connections between nerve cells (and so, i . . . View Full Definition

D2 (Dopamine Type 2) Receptors: One of a number of receptor sites in the brain where antipsychotics have antagonist effects, to suppress the symptoms of schizophrenia.

Receptor Site Former: A duplicate form of a root shaped or blade shaped body of an implant. Designed to form an osseous implant receptor site for implant shapes that are not prepared with rotating instruments. Ut . . . View Full Definition

Receptor Sites: Areas in bone or soft tissue which are prepared to receive an implant.

Receptor Population: People who could come into contact with hazardous substances [see exposure pathway].

Enkephalin: Enkephalins are molecules produced naturally by the central nervous system to numb pain. Enkephalins lock into receptors on the surface of a nerve cell and open ion channels. Ions flow into . . . View Full Definition

Crystledyne Therapy: Utilizing a self-activated crystal stimulator, which creates an electrical stimulus when two crystals inside are forced together, this therapy stimulates acupuncture, acupressure, and reflex . . . View Full Definition

Neurotransmitter: (nur-o-trans-mit-er) Molecules that carry chemical messages between nerve cells. Neurotransmitters are released from neurons, diffuse across the minute space between cells (synaptic cleft), . . . View Full Definition

Domoic Acid: Domoic acid is a toxic amino acid produced by certain species of algae. Domoic acid binds to a receptor that helps nerve cells control the flow of ions across their cell membranes. The recep . . . View Full Definition