Early bone formation in the human fetal otic capsule. A methodological approach

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...

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Bibliographic Details
Published inActa oto-laryngologica. Supplement Vol. 470; p. 56
Main Authors Declau, F, Jacob, W, Dorrine, W, Marquet, J
Format Journal Article
LanguageEnglish
Published Norway 1990
Subjects
Calcification, Physiologic
Calcium - metabolism
Ear, Inner - embryology
Electron Probe Microanalysis
Humans
Osteogenesis
Phosphorus - metabolism
Temporal Bone - embryology
Temporal Bone - metabolism
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Summary: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.
ISSN:0365-5237