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Definition of receptor
: receiver: such asa : a cell or group of cells that receives stimuli : sense organb : a chemical group or molecule (such as a protein) on the cell surface or in the cell interior that has an affinity for a specific chemical group, molecule, or virus
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Recent Examples of receptor from the Web
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Certain medications, like beta blockers, ACE receptor blockers, ACE inhibitors, calcium channel blockers and diuretics, can exaggerate the body’s response to heat.
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Like many other fungi, Baker’s yeast has mating receptors, proteins on its cell surface that detect pheromones released by potential partners.
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Their research also helps explain earlier findings that even blind migraine sufferers can be bothered by light, as long as their vision is affected by damage to light receptors in the eyes and not to the optic nerve itself.
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Vivitrol covers the body's receptors and doesn't allow opioids to cross that barrier, Frey said.
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Past research has indicated that ketamine blocks this receptor, which seems to trigger psychedelic and antidepressant effects.
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While the study found that black women who used dark dyes had a 51 percent greater risk of developing breast cancer overall, the risk for developing estrogen receptor positive breast cancer — the most common type — was 72 percent higher.
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One such avenue is chimeric antigen receptor therapy or CAR T-cell therapy.
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Crocodylians provide an obvious analogy here, their sensitive facial receptors (the integumentary sense organs – or ISOs – in particular) being involved in the face-stroking and nuzzling that occurs during courtship.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'receptor'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of receptor
1898
RECEPTOR Defined for English Language Learners
receptor
playDefinition of receptor for English Language Learners
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biology : a nerve ending that senses changes in light, temperature, pressure, etc., and causes the body to react in a particular way
RECEPTOR Defined for Kids
receptor
playDefinition of receptor for Students
: a cell that receives a stimulus (as light or heat) and activates an associated nerve to send a message to the brain and that may be grouped into a sense organ (as a taste bud)
Medical Dictionary
receptor
playMedical Definition of receptor
1: a cell or group of cells that receives stimuli : sense organ
2: a chemical group or molecule (as a protein) on the cell surface or in the cell interior that has an affinity for a specific chemical group, molecule, or virus
3: 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 pharmacological response
Learn More about receptor
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Spanish Central: Translation of receptor Nglish: Translation of receptor for Spanish speakers Britannica English: Translation of receptor for Arabic speakers Britannica.com: Encyclopedia article about receptor
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