Abstract:
:The basal plate of the scales of Amia calva is composed of regular double twisted plywood, as in Latimeria and Dipnoan scales. However, the progressive rotation of the fibrils direction is left-handed in Amia and right-handed in the 'Sarcopterygians'. So, the similarity between these peculiar plywoods is probably the result of convergence. The basal plate of Amia scales is incompletely mineralized. There are numerous calcified ovoid corpuscles which look very like the Mandl's corpuscles of Teleost scales. The mineralization probably progresses essentially by the fusion of these corpuscles, as in Teleost scales, and would be inotropic rather than spheritic.
journal_name
Tissue Celljournal_title
Tissue & cellauthors
Meunier FJdoi
10.1016/0040-8166(81)90046-xsubject
Has Abstractpub_date
1981-01-01 00:00:00pages
165-71issue
1eissn
0040-8166issn
1532-3072journal_volume
13pub_type
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