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Development of otoconia in the embryonic chick (Gallus domesticus)In the chick (Gallus domesticus) embryo, otoconium formation started first over the macula sacculi around the 4th day of incubation, and a day later over the macula utriculi. It was determined that each otoconium formed as a result of the segmentation of the immature otolithic membrane, and that the calcium responsible for otoconium calcification was incorporated into the organic matrix of each otoconium in the form of small electron-dense granules (20-150 nm in. diameter). The presence of calcium in these granules was confirmed by histochemical staining with osmic-potassium pyroantimonate, by EDTA chelation, and by X-ray micronanalysis under the electron microscope.
Document ID
19860065133
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Fermin, C. D.
(Baylor Univ. Houston, TX, United States)
Igarashi, M.
(Baylor University Houston, TX, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Publication Information
Publication: Acta Anatomica
Volume: 123
ISSN: 0001-5180
Subject Category
Life Sciences (General)
Accession Number
86A49871
Funding Number(s)
CONTRACT_GRANT: NAG2-342
CONTRACT_GRANT: PHS-NS-10940
CONTRACT_GRANT: PHS-RR-05425
Distribution Limits
Public
Copyright
Other

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