Histologic examination of the shoulder capsule shows new layer of elastic fibres between synovial and fibrous membrane.
basic_science · Level V
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- Record sourced from PubMed, PMID 32425427.
- Also identified by DOI 10.1016/j.jor.2020.04.008 and PMC identifier 7226680.
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Abstract
In the present study, a systematic histological analysis of the glenohumeral joint capsule was conducted. 12 cadaveric shoulders were examined. Inclusion criteria were: 1) intact joint capsule and 2) fixation in neutral position. The tissue samples were Elastica Hematoxylin-van-Gieson-(ElHvG) stained and diameter, quantity, and distribution patterns were analyzed. We detected a new layer (elastic boundary layer, EBL) between the synovial and fibrous membrane. The elastic fibres of the EBL differ considerably in diameter, quantity, and distribution pattern. A previously undescribed layer was noticed, which we named elastic boundary layer for now.
Anatomy
- shoulder