receptorとは 意味・読み方・使い方

語源

From 中期英語 receptour, from Old French receptour or Latin receptōrius, from recipiō (“receive”), from re- (“back”) + capiō (“I hold”).

発音

• (Received Pronunciation) IPA: /ɹɪˈsɛp.tə/
• (General American, Canada) IPA: /ɹɪˈsɛp.tɚ/
• (General Australian) IPA: /ɹɪˈsep.tə/
• (New Zealand) IPA: /ɹəˈsep.tə/

名詞

receptor (plural receptors)

1. (biochemistry, medicine) A protein on a cell wall that binds with specific molecules so that they can be absorbed into the cell in order to control certain functions.
   • 2001, Leslie Iversen, Drugs: A Very Short Introduction, Oxford, page 24:

     In the target organ, the drug is recognised by ‘receptors’. These are large molecules, usually proteins, to which the drug binds tightly and with a high degree of specificity.

   • 2019 May 14, Moises Velasquez-Manoff, “Can CBD Really Do All That?”, in The New York Times Magazine‎:

     White blood cells of the immune system, the gut and the spleen also have another type of cannabinoid receptor, known as CB2.

2. (biology) Any specialized cell or structure that responds to sensory stimuli.
3. (obsolete) One who receives something or someone; in particular, one who harbors a fugitive.

   Coordinate terms: receiptor, resetter

   • 1585, Fleetwood, in 1824, Henry Ellis, Original letters, illustrative of English history, page 297:

     […] fewe that were there did spend the same daie abowte the searchinge out of sundrye that were receptors of ffelons, where we fownd a greate manye aswell in London, Westminster, Sowthwarke, as in all other places abowte the same.

   • 1609, William Barlow, Answer to a nameless Catholic's censure, page 13:

     The kind Receptors of the Fugitiues after the Detection.

   • 1660, Virginia statue, The Statutes at Large, Virginia, published 1809, page 538:

     An act […] Against pyrats, their assistors or abettors, out-traidors or receptors, against breakers of the admirall's arrestments and attachments against goods forbidden,

下位語

派生語

関連する語

• effector