Histomorphometrische Analyse der Tangentiallamellenbucht (Endosteal Lamellar Pocket, ELP), Archäologische Bedeutung lokalisiert auftretender Variationen innerhalb der Compacta auf mikrostruktureller Ebene.

在一个横截面内，致密骨的形态可以显示出微结构和强度特性的巨大变化。骨内板层袋（ELP）是一种易于定义、致密的长骨板层区域，可能是这些区域中最明显、信息最丰富的区域（Wanner et al. 2007; Maggiano et al. 2008b; Maggiano et al. 2008a）。我们之前的初步研究在Xcambó玛雅遗址发现的大部分股骨和肱骨中发现了elp。我们认为ELP的形成可能与大约20岁之前的生长时期相吻合，并且由于未知的原因，持续了几十年，记录了生长过程中骨干的漂移。ELP形成和持续的历时性视角对于区分骨建模（骨吸收和形成）和重塑（骨维持）对其宏观和微观结构的影响至关重要。不幸的是，对长骨的建模和建模漂移的分析很少，而重塑研究利用了独特的代表性结构，称为骨元，精确地允许定量方法方法。ELP可以被认为是在组织学上代表可量化建模过程的特征。然而，在个体发育过程中，漂移的相对幅度和方向以及新骨堆积的组成尚未与生长速度、疾病、年龄、性别或活动水平等决定性因素联系起来。像这样的联系可以为考古学中的假设驱动实验提供新的来源，以及关于骨骼生长，维护和适应生物力学或医学应用的信息。我们对考古和现代骨骼遗骸中ELP的持续研究将利用这一长期生长和建模过程的独特指标，寻找ELP分析及其在生物力学、生物考古学和法医学中的应用，帮助分析生长变化、机械适应，以及识别方法，包括侧舷、年龄估计和可能的性别确定。

Within a cross section, the morphology of compact bone can display dramatic variation in microarchitecture and therefore strength properties. The endosteal lamellar pocket (ELP), an easily-defined, dense, lamellar region of the long bone is perhaps the most obvious and informative of these regions (Wanner et al. 2007; Maggiano et al. 2008b; Maggiano et al. 2008a). Our previous pilot study identified ELPs in the majority of femora and humeri found at the Maya site of Xcambó. We suggest the formation of the ELP could coincide with periods of growth before about twenty years of age and, for unknown reasons, persists for decades, documenting the diaphysis’ drift during growth. This diachronic perspective of the ELP’s formation and persistence is ultimately vital for differentiating the influences of bone modeling (bone resorption and formation) and remodeling (bone maintenance) on its macro- and microstructure. Unfortunately, analyses of modeling and modeling drift in long bones are rare, whereas remodeling studies take advantage of distinct representative structures, called osteons, precisely permitting quantitative methodological approaches. The ELP can be recognized as a feature histologically representing quantifiable modelling processes. However, the relative magnitude and direction of drift and the composition of new bone apposition during ontogenetic development has yet to be connected to determinant factors such as growth rate, disease, age, sex, or activity level. Connections like these could offer a new source for hypotheses driven experimentation in archaeology as well as information regarding skeletal growth, maintenance, and adaptation for biomechanical or medical applications. Our continued investigation of the ELP in archaeological and modern skeletal remains will take advantage of this unique indicator of long-term growth and modelling processes to find applications for ELP analyses and its use in biomechanics, bioarchaeology and forensics, aiding in analyses of growth variation, mechanical adaptation, as well as identification methods including siding, age estimation, and possibly sex determination from even fragmentary bony remains.