English dictionary of medical terms (75)

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No:1480 - receptor: 1. a molecular structure within a cell or on the surface characterized by (1) selective binding of a specific substance and (2) a specific physiologic effect that accompanies the binding, e.g., cell-surface receptors for peptide hormones, neurotransmitters, antigens, complement fragments, and immunoglobulins and cytoplasmic receptors for steroid hormones. 2. a sensory nerve terminal that responds to stimuli of various kinds.
No:1481 - recidivist: (Fr. récidiviste from L. recidere to fall back) one who tends to relapse.
No:1482 - recipient: one who receives, as blood in transfusion, or a tissue or organ graft.
No:1483 - recombinant: 1. a cell or an individual with a new combination of genes not found together in either parent; usually applied to linked genes.
No:1484 - reconstitution: 1. a type of regeneration in which a new organ forms by the rearrangement of tissues rather than from new formation at an injured surface. 2. the restoration to original form of a substance previously altered for preservation and storage, as the restoration to a liquid state of blood serum or plasma that has been dried and stored.
No:1485 - reconvalescence: renewed convalescence; complete convalescence.
No:1486 - rectal: pertaining to the rectum (= distal portion of the large intestine).
No:1487 - recuperation: (L. recuperatio) the recovery of health and strength.
No:1488 - recurrent: (L. recurrens returning) returning after intermissions.
No:1489 - reduction: (L. reductio) the correction of a fracture, dislocation, or hernia.
No:1490 - reference: the act of referring or consulting; something that refers to something else.
No:1491 - reflective: capable of throwing back light, images, sound waves : reflecting.
No:1492 - reflex: (L. reflexus) 1; reflected. 2. a reflected action or movement; the sum total of any particular involuntary activity.
No:1493 - reflux: (re- + L. fluxus flow) a backward or return flow.
No:1494 - refractory: (L. refractorius) not readily yielding to treatment.
No:1495 - regeneration: (re- + L. generare to produce, bring to life) the natural renewal of a structure, as of a lost tissue or part.
No:1496 - region: a plane area with more or less definite boundaries.
No:1497 - regional: pertaining to, limited to, or affecting a certain region or regions.
No:1498 - regression: (L. regressio a return) 1. a return to a former or earlier state. 2. a subsidence of symptoms or of a disease process. 3. a return to earlier, especially to infantile, patterns of thought or behaviour, a characteristic of many mental disorders also exhibited by normal persons in many situations, e.g. feelings of helplessness and dependency in a patient with a serious physical illness.
No:1499 - regulation: (L. regula rule) 1. in biology, the adaption of form or behaviour of an organism to changed conditions. 2. the power of a pregastrula stage to form a whole embryo from a part.

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