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Decrease in the numbers of mechanoreceptors in rabbit ACL: the effects of ageing

  • Sedat Tolga Aydoğ
  • Petek Korkusuz
  • Mahmut Nedim Doral
  • Onur Tetik
  • Haydar Ali Demirel
Knee

Abstract

It is proposed that there is a positive correlation between the numbers of mechanoreceptors and proprioceptive function. On the other hand, normal aging process is associated with deficits in proprioception. This study is designed to test the hypothesis that aging resulted in decreased numbers of mechanoreceptors. Anterior cruciate ligaments of 14 male rabbits (2 months, n=5; 12 months, n=4 and 60 months, n=5) were extracted and the total numbers of Ruffini, Pacini and Golgi tendon-like receptors were accounted. As a result, the numbers of mechanoreceptors, especially Ruffini receptors, decreased with aging (p<0.05). Increased age was associated with changes in the morphology of mechanoreceptors. In conclusion, aging results in both diminished numbers and changed morphology of mechanoreceptors.

Keywords

Ageing Proprioception Mechanoreceptor Light microscope ACL 

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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • Sedat Tolga Aydoğ
    • 1
  • Petek Korkusuz
    • 2
  • Mahmut Nedim Doral
    • 1
    • 3
  • Onur Tetik
    • 1
  • Haydar Ali Demirel
    • 1
  1. 1.Department of Sports Medicine, Faculty of MedicineHacettepe UniversityAnkaraTurkey
  2. 2.Department of Histology and Embryology, Faculty of MedicineHacettepe UniversityAnkaraTurkey
  3. 3.Department of Orthopedics, Faculty of MedicineHacettepe UniversityAnkaraTurkey

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