Abstract

The present study was concentrated on the use of energy-dispersive X-ray analysis and backscattered electron imaging as practical tools for advanced autopsy of human fetuses when diagnostic evaluation of ear pathology is required. These methods were used to revisit the primary calcification front of the fetal otic capsule between 18 and 36 weeks' gestational age. Energy-dispersive X-ray analysis indicates an equal Ca/P ratio in all the three layers of the otic capsule. These results are discussed in view of calcium homeostasis and inner ear function.

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