Document Detail

Meniscus-like synovial fold in the atlantoaxial (C1-C2) joint.
MedLine Citation:
PMID:  1376629     Owner:  NLM     Status:  MEDLINE    
Some of the synovial joints in the human body have a fibrocartilaginous disc interposed between the joint surfaces to absorb or evenly distribute loads. Examples of fibrocartilagenous discs include the intervertebral disc, knee joint meniscus, and triangular fibrocartilages in the distal radioulnar joint and the acromioclavicular joints. The joint capsule and the surrounding tissue from nine cervical spines (18 C1-C2 joints) were dissected and prepared for gross examination and histology. We found meniscus-like synovial folds in 13 of the 18 atlantoaxial joints. These folds were located at the anteromedial and posteromedial aspect of the joint. Each synovial fold was of semilunar shape, with a thickened outer edge and thin inner edge giving a wedge-shape cross section. In one case, the synovial fold was grossly similar in appearance to a knee joint meniscus, and on histological examination there was evidence of cartilagenous metaplasia in part of the fold. The findings are compared with the limited data reported in the literature.
H Chang; E M Found; C R Clark; V K Goel; C S Gang
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of spinal disorders     Volume:  5     ISSN:  0895-0385     ISO Abbreviation:  J Spinal Disord     Publication Date:  1992 Jun 
Date Detail:
Created Date:  1992-07-23     Completed Date:  1992-07-23     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8904842     Medline TA:  J Spinal Disord     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  227-31     Citation Subset:  IM    
Department of Biomedical Engineering, University of Iowa, Iowa City 52242.
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MeSH Terms
Aged, 80 and over
Atlanto-Axial Joint / anatomy & histology*,  cytology
Menisci, Tibial / anatomy & histology*
Middle Aged
Staining and Labeling
Synovial Membrane / anatomy & histology*,  cytology
Grant Support

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