Castrogiovanni Paola, Imbesi Rosa, Fisichella Marco, Mazzone Venera
Department of Bio-Medical Science, University of Catania, Italy.
Ital J Anat Embryol. 2011;116(1):30-7.
As it is well known, bone tissue is characterized by a calcified extracellular matrix which makes this tissue suitable to support the body and protect the inner organs. Lamellar bone tissue is organized in lamellae, 3-7 microm in thickness, and arranged concentrically around vascular channels: the basic structure in this type of organization is called Haversian system or osteon and the diameter of osteons depends on the number of lamellae. Shape and regional density of osteons are related to the bone segment and the specific functional requirements to meet. Aim of this study is to correlate the compact bone tissue microstructure in various classes of mammals, including humans, and birds in order to find an adequate identification key. The results of our study show that in bone tissue samples from various classes of mammals, including humans, and birds the osteonic structure shows peculiar features, often depending on the rate of bone remodelling, different in different animal species. We conclude that a careful microscopic analysis of bone tissue and the characterization of distinctive osteonic features could give a major contribution to forensic medicine to obtain a more reliable recognition of bone findings.
众所周知，骨组织的特征是具有钙化的细胞外基质，这使得该组织适合支撑身体并保护内部器官。板层骨组织由厚度为3 - 7微米的板层构成，并围绕血管通道呈同心圆排列：这种组织类型的基本结构称为哈弗斯系统或骨单位，骨单位的直径取决于板层的数量。骨单位的形状和区域密度与骨段以及要满足的特定功能需求相关。本研究的目的是关联包括人类在内的各类哺乳动物以及鸟类的致密骨组织微观结构，以便找到一个合适的识别关键。我们的研究结果表明，在包括人类在内的各类哺乳动物以及鸟类的骨组织样本中，骨单位结构呈现出独特的特征，这些特征通常取决于骨重塑的速率，在不同动物物种中有所不同。我们得出结论，对骨组织进行仔细的显微镜分析以及对独特骨单位特征的表征，可为法医学做出重大贡献，从而更可靠地识别骨发现。
