PMID: 6411802Jul 1, 1983Paper

The pseudosynovial sheath--its characteristics in a primate model

The Journal of Hand Surgery
J M HunterN Miyaji

Abstract

The characteristics and long-term fate of the pseudosynovial sheath formed in response to a gliding tendon implant were examined. A primate model was chosen to reproduce the human clinical situation. Hunter passive gliding implants were implanted in 32 digits of eight Macque monkeys. Surgical syndactylism was created to the adjacent active digits to provide passive range of motion of the digits. No implanted digits demonstrated progressive flexion contractures. Radiographs revealed passive excursion of the implants of an average of 2.5 cm. Biopsies were taken at various time intervals and locations for histological examination. The pseudosynovial sheath has three descriptive layers: an intima, media, and adventitia. This sheath becomes mature and stable at 8 weeks. The intima cells contain a glycosaminoglycan substance and have a secretory capacity. The media cells have large amounts of collagen and provide structural and vascular support. The adventitia is a highly vascular structure composed of loose fibrous tissues that demonstrates clefts that may represent gliding planes. The pseudosynovial sheath was found to be a morphologically stable structure that showed no propensity for longitudinal contracture. The sheath appears t...Continue Reading

References

Nov 1, 1979·The Journal of Hand Surgery·P R ManskeK Bridwell
Jan 1, 1978·The Journal of Hand Surgery·G Lundborg, F Rank
Jan 1, 1974·Journal of Biomedical Materials Research·J M HunterJ Konikoff
May 1, 1959·Plastic and Reconstructive Surgery and the Transplantation Bulletin·F L ASHLEYS A MOONEY

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Citations

Jan 1, 1993·Virchows Archiv. A, Pathological Anatomy and Histopathology·A BehamU Humer
Apr 1, 1992·The Journal of Hand Surgery : Journal of the British Society for Surgery of the Hand·L HagbergK Ohlsson
Jun 1, 1996·Plastic and Reconstructive Surgery·C Y KoW W Shaw
Nov 12, 1998·Plastic and Reconstructive Surgery·L E WyattT A Miller
Sep 1, 1983·The Journal of Hand Surgery·J M Hunter
Aug 14, 2012·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Florencio MonjeJose Juan Fernandez de Mera
Apr 29, 1998·The Journal of Hand Surgery·J A Grossman, J Pomerance
Mar 1, 1995·Ultrastructural Pathology·A D del RosarioJ S Ross
Jan 1, 1988·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·C C KainW W Peterson
Aug 13, 2015·The Journal of Hand Surgery, European Volume·R WongJ K F Wong
Oct 20, 2018·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Papon MuangsanitJames B Phillips
May 30, 2002·Archives of Pathology & Laboratory Medicine·Marjorie R FowlerFleurette Abreo

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