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Development of the crista ampullaris in the mouse

Published online by Cambridge University Press:  29 June 2007

M. Takumida ,
Y. Harada  and
N. Tagashira
M. Takumida
Affiliation:
Dr. Masaya Takumida, Department of Otolaryngology, Hiroshima University School of Medicine, Kasumicho, 1–2–3, Hiroshima 734, Japan.
Y. Harada
Affiliation:
Dr. Masaya Takumida, Department of Otolaryngology, Hiroshima University School of Medicine, Kasumicho, 1–2–3, Hiroshima 734, Japan.
N. Tagashira
Affiliation:
Dr. Masaya Takumida, Department of Otolaryngology, Hiroshima University School of Medicine, Kasumicho, 1–2–3, Hiroshima 734, Japan.
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Summary

The process of development of the crista ampullaris has been investigated in the mouse using SEM.

Cristae ampullaris of the CBA/CBA mice, from the 13.5th gestational day to the day 2 weeks by were studied.

On the 13.5th gestational day, there were numerous microvilli and a primary cilium on the crista ampullaris. Sensory hairs first appeared on the 14.5th gestational day. The kinocilium and stereocilia were short and the length of the stereocilia was almost constant. The formation of the cupula, which had fine networklike structures, started on the 14.5th gestational day.

Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 100 , Issue 7 , July 1986 , pp. 759 - 763
Copyright
Copyright © JLO (1984) Limited 1986

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References

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