| complementary role | A role in which the behaviour pattern conforms with the expectations and demands of other people. (05 Mar 2000) |
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| gender role | The sex of a child assigned by a parent; when opposite to the child's anatomical sex (e.g., due to genital ambiguity at birth or to the parents' strong wish for a child of the opposite sex), the basis is set for postpubertal dysfunctions. See: sex role, sex reversal. (05 Mar 2000) |
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| role | The expected and characteristic pattern of behaviour exhibited by an individual as a member of a particular social group. (12 Dec 1998) |
| role conflict | The dilemma an individual experiences when required to play two different parts (e.g., spouse and aggressive business competitor) that cannot be easily harmonised. (05 Mar 2000) |
| role playing | 1. The adopting or performing the role of another significant individual in order to gain insight into the behaviour of that person. 2. <psychology> A psychotherapeutic method used in psychodrama to understand and treat emotional conflicts through the enactment or re-enactment of stressful interpersonal events. See: psychodrama. (05 Mar 2000) |
| physician's role | The expected and characteristic behaviour of a physician as a member of the medical profession. (12 Dec 1998) |
| sex role | The degree to which an individual acts out a stereotypical masculine or feminine role in everyday behaviour. Compare: gender role. (05 Mar 2000) |
| sick role | Behaviour patterns consistent with those expected of an individual functioning in a state of ill health. (12 Dec 1998) |
| noncomplementary role | A role that does not conform with the expectations and demands of other people. (05 Mar 2000) |
| RNA, complementary | Synthetic transcripts of a specific DNA molecule or fragment, made by an in vitro transcription system. This crna can be labelled with radioactive uracil and then used as a probe. (12 Dec 1998) |
| complementary | Supplying a defect or helping to do so, making complete, accessory. Origin: L. Complere = to fill (18 Nov 1997) |
| complementary air | The maximum volume of air that can be inspired after reaching the end of a normal, quiet expiration. It is the sum of the tidal volume and the inspiratory reserve volume. Common abbreviation is ic. (12 Dec 1998) |
| complementary base pairing | <molecular biology> The pairing of complementary nucleotide bases (adenine and thymine, guanine and cytosine) to each other via hydrogen bonds from opposite strands of a double stranded nucleic acid (such as DNA or RNA), thereby holding the double-stranded nucleic acid together. (09 Oct 1997) |
| complementary base pairs | <molecular biology> The crucial property of DNA is that the two strands are complementary: Guanine and cytosine are complementary and pair up through their hydrogen bonds, as are adenine and thymine that only form two hydrogen bonds. (adenine and uracil in RNA). (18 Nov 1997) |
| complementary colours | Pairs of different colours of light that produce white light when combined. (05 Mar 2000) |
| complementary DNA | <molecular biology> DNA that is synthesised from a messenger RNA template, the single-stranded form is often used as a probe in physical mapping to locate the gene or can be cloned in the double stranded form. Viral reverse transcriptase can be used to synthesise DNA that is complementary to RNA (for example an isolated mRNA). Acronym: cDNA (13 Nov 1997) |