马骨盆肢体正常第三骨间肌近端端部的组织学研究

IF 1 4区 农林科学 Q4 ANATOMY & MORPHOLOGY
Zoë Joostens, Fabrice Audigié, Geoffroy de la Rebière de Pouyade, Mutien-Marie Garigliany, Valeria Busoni
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引用次数: 0

摘要

在人类医学中,髋臼或肌腱到骨的插入通常被认为是一个连接的实体或“髋臼器官”,并起着至关重要的生物力学作用。本研究旨在对7匹马的10个骨盆肢体的马近端第三骨间肌(悬韧带)末端进行组织学评估。基于死后计算机断层扫描,将第三骨间肌近端区域划分为6个区室,并用血红素/伊红和三色染色进行组织学准备。近端第三骨间肌端部呈纤维软骨性质。所有成虫囊均具有典型的四层结构,包括韧带、未钙化的纤维软骨、钙化的纤维软骨和骨。幼年标本缺乏清晰的分层,提示正在进行软骨内成骨。未钙化和钙化的纤维软骨之间有一个或多个光滑、规则的潮纹,而将韧带和骨与纤维软骨层分开的边缘显示出明显的不规则交错。不同标本的平均细胞数、纤维软骨厚度、指间指大小和形状各不相同。马骨盆肢体近端第三骨间肌端部的纤维软骨性质支持应力消散机制的作用,并可能与近端第三骨间肌端部损伤的生物力学和病理学有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Histological Study of the Normal Proximal Third Interosseus Muscle Enthesis in the Equine Pelvic Limb

In human medicine, the enthesis, or tendon-to-bone insertion, is generally considered a linked entity or ‘enthesis organ’ and plays a crucial biomechanical role. This study aimed to histologically assess the equine proximal third interosseus muscle (suspensory ligament) enthesis in 10 pelvic limbs from 7 horses. The area of the proximal third interosseus muscle enthesis was divided into 6 compartments based on post-mortem computed tomography and prepared for histology using haematoxylin/eosin and trichrome staining. The proximal third interosseus muscle enthesis showed a fibrocartilaginous nature. All adult entheses exhibited a characteristic four-layered structure consisting of ligament, uncalcified fibrocartilage, calcified fibrocartilage and bone. Juvenile specimens lacked clear layering, suggesting ongoing endochondral ossification. One or more smooth, regular tidemarks separated the uncalcified and calcified fibrocartilage, while the margins separating the ligament and bone from the fibrocartilage layer showed pronounced irregular interdigitations. Mean cellularity, fibrocartilage thickness and interdigitation size and shape varied among specimens. The fibrocartilaginous nature of the proximal third interosseus muscle enthesis in the equine pelvic limb supports the role of a stress dissipation mechanism and may have implications in the biomechanics and pathology of proximal third interosseus muscle enthesis injuries.

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来源期刊
Anatomia Histologia Embryologia
Anatomia Histologia Embryologia ANATOMY & MORPHOLOGY-VETERINARY SCIENCES
CiteScore
1.90
自引率
11.10%
发文量
115
审稿时长
18-36 weeks
期刊介绍: Anatomia, Histologia, Embryologia is a premier international forum for the latest research on descriptive, applied and clinical anatomy, histology, embryology, and related fields. Special emphasis is placed on the links between animal morphology and veterinary and experimental medicine, consequently studies on clinically relevant species will be given priority. The editors welcome papers on medical imaging and anatomical techniques. The journal is of vital interest to clinicians, zoologists, obstetricians, and researchers working in biotechnology. Contributions include reviews, original research articles, short communications and book reviews.
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