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学科主题: 临床医学
题名:
Ultrastructural and Morphological Characteristics of Human Anterior Cruciate Ligament and Hamstring Tendons
作者: Zhu, Jingxian1; Zhang, Xin1; Ma, Yong1; Zhou, Chunyan2; Ao, Yingfang1
关键词: human anterior cruciate ligament ; hamstring tendons ; microstructure ; collagen fibrils
刊名: ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY
发表日期: 2012-09-01
DOI: 10.1002/ar.22527
卷: 295, 期:9, 页:1430-1436
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Anatomy & Morphology
研究领域[WOS]: Anatomy & Morphology
关键词[WOS]: PATELLAR TENDON ; KNEE-JOINT ; COLLAGEN ; RECONSTRUCTION ; BUNDLE ; ACL ; ARCHITECTURE ; ANATOMY ; TISSUE ; MODEL
英文摘要:

Hamstring tendons are a commonly used substitute for anterior cruciate ligament (ACL) reconstruction. Ligaments and tendons are similar in composition but the ACL is more complex than hamstring tendons in function and gross morphology, which are highly dependent on its structure and ultrastructure. The purpose of this study was to compare the morphology and ultrastructure of normal human ACL and hamstring tendons, including the cell type and arrangement, expression level of proteoglycans, diameter, and density of collagen fibrils. Twenty semitendinosus or gracilis tendons and 20 ACL specimens were harvested from patients with ACL rupture or osteoarthritis undergoing routine total knee arthroplasty. The specimens were examined histologically and the ultrastructure was observed using scanning and transmission electron microscopy. Semitendinosus and gracilis tendons showed a homogeneous arrangement of collagen fibers and cell type. They had lower fibril density and more widely distributed fibril diameters. In the ACL, there was a more complex arrangement of collagen fibers, distribution of proteoglycans and different cell types. Electronic microscopy demonstrated a combination of parallel, helical and nonlinear networks of ACL fibrils, and fibril diameters were smaller and more nonuniform. This study compared the anatomy of normal human ACL and hamstring tendons, which may provide a standard for evaluating hamstring tendons grafts after ACL reconstruction and may facilitate the application of hamstring tendons in clinical applications. Anat Rec, 2012. (C) 2012 Wiley Periodicals, Inc.

语种: 英语
WOS记录号: WOS:000307571500010
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/60568
Appears in Collections:北京大学第三临床医学院_运动医学研究所_期刊论文

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作者单位: 1.Peking Univ, Hosp 3, Inst Sports Med, Beijing 100871, Peoples R China
2.Peking Univ, Sch Basic Med Sci, Dept Biochem & Mol Biol, Beijing 100871, Peoples R China

Recommended Citation:
Zhu, Jingxian,Zhang, Xin,Ma, Yong,et al. Ultrastructural and Morphological Characteristics of Human Anterior Cruciate Ligament and Hamstring Tendons[J]. ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY,2012,295(9):1430-1436.
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