ameloblast

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Words related to ameloblast

a cell from which tooth enamel develops

References in periodicals archive ?
In addition to transporting and secreting ions, ameloblasts synthesize and secrete a large amount of proteins, which are the major component of enamel in formation (> 90%).
quantitative defect (deficient enamel ma- trix formation) due to disruption of the secre- tory phase during ameloblast function.
Researchers at the Forsyth Institute in Massachusetts, a fluoride research center for the past century, found that fluoride initiates an ER stress response in ameloblasts that interferes with protein synthesis and secretion--culminating in dental fluorosis.
9,10) The undulating course of ameloblast during amelogenesis results in the formation of a specific pattern by so, the course of enamel rods is not the same throughout the thickness of enamel.
24) This cytokeratin expression profile suggests that odontomas are analogs of the developing tooth germ that lack complete differentiation of preameloblasts or ameloblasts and display abnormal enamel organ mineral ization.
This may reflect the direct effect of these antibiotics on active ameloblasts or may be attributed to the infectious disease for which antibiotic was prescribed.
Inadequate amounts of vitamin C results in changes in the ameloblasts and odontoblasts; ameloblasts and odontoblast atrophy, and there is a decrease in their orderly polar arrangement.
A well known hallmark of mouse incisors, different from human incisors, is an asymmetric enamel formation, which results from differential distribution of ameloblasts around incisors during development.
Sicher and Bhaskar suggested that disturbances during morpho-differentiation might affect the shape and size of tooth without impairing the function of ameloblasts or odontoblasts, whereas Hattab et al suggested that the anomaly might occur as a result of outfolding of enamel organ or hyper productivity of dental lamina.
Relationship of vitamin D with calbindin D9k and D28k expression in ameloblasts.
As mottled enamel is the result of partial failure of ameloblasts to properly elaborate and lay down enamel, it is a developmental injury.
1) They are not true neoplasms; rather, they are hamartomas that form from the growth of completely differentiated epithelial and mesenchymal cells that give rise to ameloblasts and odontoblasts.
Although its murine and porcine counterparts play a role in maturation of the dental enamel with stage-specific production in ameloblasts and odontoblasts (23-25), studies in this area in humans have not been reported.
This toxic effect extends to the ameloblasts making tooth enamel, which is consequently weakened and then made brittle; its visible appearance is, of course, dental fluorosis.