LIFE-HISTORY VARIABLES PRESERVED IN DENTAL CEMENTUM MICROSTRUCTURE

被引：99

作者：

LIEBERMAN, DE ^{[1
]}

机构：

[1] HARVARD UNIV,SOC FELLOWS,CAMBRIDGE,MA 02138

来源：

SCIENCE | 1993年 / 261卷 / 5125期

关键词：

D O I：

10.1126/science.8356448

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The age and season of death of mammals, as well as other aspects of their life history, can be estimated from seasonal bands in dental cementum that result from variations in microstructure. Scanning electron micrographs of goats fed controlled diets demonstrate that cementum bands preserve variations in the relative orientation of collagen fibers that reflect changes in the magnitude and frequency of occlusal forces from chewing different quality diets. Changes in the rate of tissue growth are also reflected in cementum bands as variations in the degree of mineralization.

引用

页码：1162 / 1164

页数：3

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