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Chitosan-mediated stimulation of macrophage function.
According to the modern definition of biocompatibility, a biocompatible material need not be inert but be bioactive. A benign reactivity implies that the reactivity has to be appropriate for theExpand
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Gentamicin ototoxicity in the saccule of the lizard Podarcis Sicula induces hair cell recovery and regeneration
There is little information available on the susceptibility of reptilian saccule hair cells to ototoxin-induced sensory damage. In this study, we report morphological evidence of hair cell recoveryExpand
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Scanning Electron Microscopy and X‐ray Diffraction Studies of the Macular Crystals in the Chondrostean Fish Erpetoichthys calabaricus (Smith)
Morphologic and crystallographic studies of the otoliths of the reed-fish Erpetoichthys calabaricus showed (1) aragonite statoliths with a serrated surface, and (2) two populations of statoconia: oneExpand
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Calcite in the statoconia of amphibians: A detailed analysis in the frog Rana esculenta
SummaryThe otoconia of Amphibia, especially of the frog Rana esculenta, were studied by X-ray diffraction and scanning electron microscopy (SEM). The SEM studies showed that the membranous labyrinthExpand
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The effect of tetracyclin on the processes of calcification of the otoliths in the developing chick embryo.
It is known that tetracyclin is fixed in calcified tissues and that it can have an inhibitory action on calcification processes under certain conditions (Saxen, 1966). The mechanism by whichExpand
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Calcification processes in the chick otoconia and calcium binding proteins: patterns of tetracycline incorporation and calbindin-D28K distribution
In order to clarify the otoconia formation and turnover, tetracycline, an antibiotic that precipitates at calcifying fronts and serves as a fluorescent marker, was injected into eggs at differentExpand
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Scanning electron microscopic and X-ray diffraction studies of otoconia in the lizard Podarcis s. sicula
SummaryThe otoliths of embryos and young animals of the lizard Podarcis s. sicula were studied by X-ray diffraction and scanning electron microscopy. Two types of crystal that give different X-rayExpand
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Calbindin D28K is a component of the organic matrix of lizard Podarcis sicula otoconia
The factors controlling otoconia growth are not well known but it seems that the type of proteins contained in the otoconia regulates the initiation and/or the subsequent rates of crystal growthExpand
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Morphological and biochemical analyses of otoliths of the ice‐fish Chionodraco hamatus confirm a common origin with red‐blooded species
The morphology and composition of the three otoliths of the Antarctic ice‐fish Chionodraco hamatus were studied by scanning electron microscopy and X‐ray diffraction. The composition of the sagitta,Expand
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