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单词 adduct
释义

adduct1

verb əˈdʌktəˈdəkt
[with object]
  • (of a muscle) move (a limb or other part of the body) towards the midline of the body or towards another part.

    the main function of pectorals is to adduct the arms
    The opposite of abduct
    Example sentencesExamples
    • Is it the oblique eye muscles or the superior or inferior recti that adduct the eye?
    • Two possible effective responses would have been to flex the knee on the side of the higher foot, or to have adducted one leg and abducted the other.
    • The affected arm is flexed at the elbow and adducted against the side of the body.
    • Then, isometrically contract the pectoral muscle, attempting to adduct the arm.
    • A recent consensus document suggests that the arm should not be extended behind the back or adducted in an extreme position for a substantial amount of time.

Derivatives

  • adduction

  • noun əˈdʌkʃ(ə)nəˈdəkʃ(ə)n
    mass nounPhysiology
    • The movement of a limb or other part towards the midline of the body or towards another part.

      Current prosthetic designs try to reproduce flexion and extension, abduction and adduction, and rotation about the long axis of the femur.
      The opposite of abduction (sense 2)
      Example sentencesExamples
      • Any asymmetry in adduction, abduction, flexion, extension, external rotation, and internal rotation should be noted.
      • Abduction and adduction are best tested with the patient supine and the examiner providing resistance against the medial and lateral side of the knee.

Origin

Mid 19th century: back-formation from late Middle English adduction, from late Latin adductio(n-) 'bringing forward', from the verb adducere 'bring in' (see adduce).

Rhymes

abduct, conduct, construct, destruct, duct, instruct, misconduct, obstruct

adduct2

noun ˈadʌktəˈdəkt
Chemistry
  • The product of an addition reaction between two compounds.

    a stable, covalent adduct of enzyme and substrate DNA results
    Example sentencesExamples
    • It has been known for some time that smoking can give rise to acrylamide in human red cells that forms adducts with haemoglobin.
    • Rodents eating unfried pancakes had only one-tenth that concentration of acrylamide adducts.
    • In rat liver, it has been shown that tamoxifen forms covalent DNA adducts, implying a genotoxic mechanism for its carcinogenicity in this tissue.
    • Under these irradiation conditions, another major class of oxidative damage occurs, namely the formation of covalent protein-DNA adducts.
    • Moreover, some photoactivable compounds can also produce bulky adducts.

Origin

1940s: from German Addukt (blend of Addition and Produkt).

 
 

adduct1

verbəˈdəktəˈdəkt
[with object]
  • (of a muscle) move (a limb or other part of the body) toward the midline of the body or toward another part.

    the main function of pectorals is to adduct the arms
    The opposite of abduct
    Example sentencesExamples
    • Is it the oblique eye muscles or the superior or inferior recti that adduct the eye?
    • Two possible effective responses would have been to flex the knee on the side of the higher foot, or to have adducted one leg and abducted the other.
    • The affected arm is flexed at the elbow and adducted against the side of the body.
    • Then, isometrically contract the pectoral muscle, attempting to adduct the arm.
    • A recent consensus document suggests that the arm should not be extended behind the back or adducted in an extreme position for a substantial amount of time.

Origin

Mid 19th century: back-formation from late Middle English adduction, from late Latin adductio(n-) ‘bringing forward’, from the verb adducere ‘bring in’ (see adduce).

adduct2

nounəˈdəktəˈdəkt
Chemistry
  • The product of an addition reaction between two compounds.

    a stable, covalent adduct of enzyme and substrate DNA results
    Example sentencesExamples
    • In rat liver, it has been shown that tamoxifen forms covalent DNA adducts, implying a genotoxic mechanism for its carcinogenicity in this tissue.
    • Under these irradiation conditions, another major class of oxidative damage occurs, namely the formation of covalent protein-DNA adducts.
    • Rodents eating unfried pancakes had only one-tenth that concentration of acrylamide adducts.
    • Moreover, some photoactivable compounds can also produce bulky adducts.
    • It has been known for some time that smoking can give rise to acrylamide in human red cells that forms adducts with haemoglobin.

Origin

1940s: from German Addukt (blend of Addition and Produkt).

 
 
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更新时间:2024/12/23 5:42:50