adduction

(noun)

Movement towards the midline of the body.

Related Terms

  • Levers can also vary based on the relative position of the load, pivot, and point of force application.
  • synovial joint
  • Flexion
  • extensors
  • Abduction
  • third-class lever
  • second-class lever
  • first class lever
  • abduction
  • rotation
  • origin
  • insertion
  • flexion
  • extension
  • flexor
  • extensor

(noun)

The action by which the parts of the body are drawn toward its axis.

Related Terms

  • Levers can also vary based on the relative position of the load, pivot, and point of force application.
  • synovial joint
  • Flexion
  • extensors
  • Abduction
  • third-class lever
  • second-class lever
  • first class lever
  • abduction
  • rotation
  • origin
  • insertion
  • flexion
  • extension
  • flexor
  • extensor

Examples of adduction in the following topics:

  • Complete Antigens and Haptens

    • When haptens and carriers combine, the resulting molecule is called an adduct, which the combination of two or more molecules.
    • Other haptens, such as floursecein, are used to detect proteins that they form adducts with, which makes them a common part of molecular biology lab techniques.
    • A complete antigen is essentially a hapten-carrier adduct.
    • Once the body has generated antibodies to a hapten-carrier adduct, the small-molecule hapten may also be able to bind to the antibody, but it will usually not initiate an immune response; usually, only the hapten-carrier adduct, which is the completed antigen, can do this.
    • Sometimes the small-molecule hapten can even block immune response to the complete antigen by preventing the adduct from binding to the antibody, a process called hapten inhibition.
  • Pulled Groin

    • These groin muscles adduct the thigh (bring the femur and knee closer to the midline).
    • This difference in innervation has caused some dispute whether or not the pectineus belongs to this groin and adduction group even though it still adducts the thigh.
  • Chewing Muscles

    • Mastication, or chewing, involves the adduction and lateral motions of the jaw bone.
    • Mastication, or the act of chewing, involves adduction and lateral motion of the jaw bone.
  • Posterior Muscles

    • Actions - Extends and controls abduction and adduction of the spine and neck.
    • Actions - Extends and controls abduction and adduction of the spine and neck.
    • Actions – Extends, flexes, and controls abduction and adduction of the spine and neck.
  • Neck Muscles

    • Actions -Extends and controls abduction and adduction of the spine and neck.
    • Actions - Extends and controls abduction and adduction of the spine and neck.
    • Actions – Extends and flexes to control abduction and adduction of the spine and neck.
    • It controls adduction, abduction and rotation of the head, the intermediate region retracts the scapula, and the inferior region rotates and depresses the scapula.
    • Actions – Abduction, adduction, extension, flexion, and rotation of the neck depending on intra and inter-muscle contractions.
  • Lever Systems

    • Abduction and adduction are movements relative to the midline of the body.
    • Abduction is the movement away from the midline of the body and adduction is movement towards this line.
    • For example, moving arms or legs laterally away from the body is abduction, and bringing the limbs back to the midline is adduction.
  • Muscles of the Shoulder

    • Actions – Adducts the shoulder and assists in rotation of the arm.
  • Accessory (XI) Nerve

    • The sternocleidomastoid muscle tilts and rotates the head, while the trapezius muscle has several actions on the scapula, including shoulder elevation and adduction of the scapula.
  • Synovial Joint Movements

  • Muscles that Cause Movement at the Foot

    • Actions: Adduct the big toe and maintains the arch of the foot.
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