Results 31 to 40 of about 123,231 (342)

Wnt signaling during tooth replacement in zebrafish (Danio rerio) : pitfalls and perspectives [PDF]

open access: yes, 2014
The canonical (13-catenin dependent) Wnt signaling pathway has emerged as a likely candidate for regulating tooth replacement in continuously renewing dentitions.
Elderweirdt, Fien   +2 more
core   +3 more sources

Difficult Dentition [PDF]

open access: yesThe Boston Medical and Surgical Journal, 1880
n ...
openaire   +2 more sources

Tooth replacement in early sarcopterygians [PDF]

open access: yesRoyal Society Open Science, 2019
Teeth were an important innovation in vertebrate evolution but basic aspects of early dental evolution remain poorly understood. Teeth differ from other odontode organs, like scales, in their organized, sequential pattern of replacement.
Mark Doeland   +3 more
doaj   +1 more source

Anatomy of the buccopharyngeal cavity of trairão, Hoplias Lacerdae Miranda Ribeiro, 1908 (Characiformes, Erythrinidae) [PDF]

open access: yesBiotemas, 2009
We studied the buccopharyngeal cavity anatomy of 20 male and female trairão, Hoplias lacerdae (Miranda Ribeiro, 1908) specimens, with 24.41cm average standard-length, fixed in 4% formalin aqueous solution and/or diaphanized and colored with alizarin and ...
Cláudia Maria Reis Raposo Maciel   +3 more
doaj  

Dental Implantology in the Treatment of the After-Effects of the Juvenile Paresis Nervus Facialis

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2013
Introduction and objective: In this paper, the authors deal with the problems of juvenile paresis n. facialis and after-effects of this disease. The authors divide the hypodontia acquired and hereditary.
P. Prachár   +3 more
doaj   +1 more source

The first definitive Middle Jurassic atoposaurid (Crocodylomorpha, Neosuchia), and a discussion on the genus Theriosuchus [PDF]

open access: yes, 2015
Atoposaurids were a clade of semiaquatic crocodyliforms known from the Late Jurassic to the latest Cretaceous. Tentative remains from Europe, Morocco, and Madagascar may extend their range into the Middle Jurassic.
Brusatte, S   +6 more
core   +4 more sources

The Dentition of Lambdotherium [PDF]

open access: yesJournal of Mammalogy, 1936
The genus Lambdotherium is well represented in fossil vertebrate collections from Wyoming. Indeed, it is an important index fossil for the Lost Cabin zone in the continental Eocene of North America; but, curiously enough, a complete dentition belonging to a single individual never has been recorded.
openaire   +4 more sources

Environmental controls on the distribution of neoselachian sharks and rays within the British Bathonian (Middle Jurassic). [PDF]

open access: yes, 2003
Extensive sampling from a range of facies within the Bathonian (Middle Jurassic) of southern England has allowed the palaeoenvironmental distribution of a number of taxa of neoselachian sharks and rays to be assessed.
Underwood, Charlie J.
core   +1 more source

Sociodemographic and behavioral factors associated with developmental dental hard-tissue anomalies in children with primary dentition

open access: yesIndian Journal of Dental Sciences, 2020
Introduction: Developmental dental hard-tissue anomalies include anomalies of number, size, shape, and structure of the teeth. Anomalies in primary dentition are associated with anomalies in the permanent dentition.
Nneka Kate Onyejaka   +2 more
doaj   +1 more source

Bridging Nature and Technology: A Perspective on Role of Machine Learning in Bioinspired Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Machine learning (ML) is revolutionizing the development of bioinspired ceramics. This article investigates how ML can be used to design new ceramic materials with exceptional performance, inspired by the structures found in nature. The research highlights how ML can predict material properties, optimize designs, and create advanced models to unlock a ...
Hamidreza Yazdani Sarvestani   +2 more
wiley   +1 more source

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