Topography of corpuscular mechanoreceptors in the shoulder joint region of monodelphis domestica

The Anatomical Record
S MaassZ Halata

Abstract

The topography and structure of corpuscular mechanoreceptors in the shoulder joint capsule and periarticular connective tissue of a small laboratory marsupial (monodelphis domestica) were studied using light and electron microscopy. This animal is known to use its upper extremities for a wide range of activities like climbing and manipulating food. Thus, the shoulder joint of this animal species has a similar wide range of movement as the human shoulder joint, but is small enough for serial sectioning in its entirety. Silver stained serial paraffin sections were examined under the light microscope and the distribution of the different types of mechanoreceptors was reconstructed using three-dimensional image processing. In addition, selected mechanoreceptors were studied electron microscopically. Approximately 100 small lamellated corpuscles were found in the dense connective tissue of the joint capsule close to the insertion on the scapula and in the thickening of the joint capsule close to the glenoid labrum. Ruffini corpuscles were found in much smaller numbers in the moderately dense connective tissue of the axillary region. Only very few Vater-Pacinian corpuscles were seen in the soft periarticular connective tissue. The la...Continue Reading

References

Jan 1, 1990·Experimental Brain Research·K W Marshall, W G Tatton
Jan 1, 1985·Anatomy and Embryology·Z HalataW Schulze
Oct 1, 1972·Quarterly Journal of Experimental Physiology and Cognate Medical Sciences·M R ChambersA Iggo
Jan 1, 1984·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Z HalataM Propper
Mar 1, 1996·Journal of Shoulder and Elbow Surgery·M SolomonowY Lu
Apr 30, 1999·Anatomy and Embryology·Z Halata, K I Baumann
Sep 1, 1948·The Anatomical Record·E GARDNER

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Citations

Feb 6, 2003·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Jörn SteinbeckUlf Liljenqvist
Feb 23, 2013·British Journal of Sports Medicine·Benjamin John Floyd DeanAndrew Jonathan Carr
Jul 22, 2014·Journal of Anatomy·Jessica W WitherspoonTerence E McIff

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