Results 91 to 100 of about 306,878 (306)

Mandible composition and properties in two selected praying mantises (Insecta, Mantodea)

open access: yesThe Anatomical Record, EarlyView.
Abstract Insects process their food with their cuticle‐based mouthparts. These feeding structures reflect their diversity and can, in some cases, showcase adaptations in material composition, mechanical properties, and shape to suit their specific dietary preferences.
Malo Roze   +3 more
wiley   +1 more source

Occlusal characteristics and prevalence of associated dental anomalies in the primary dentition

open access: yesJournal of Epidemiology and Global Health, 2019
Introduction: Morphological variations in primary dentition are of great concern to a pediatric dentist as it may pose clinical problems like dental caries, delayed exfoliation and also anomalies in the permanent dentition, such as impaction of ...
Seema Lochib   +4 more
doaj   +1 more source

A supplement to the moss flora of Paraguay [PDF]

open access: yes, 1998
In “A Preliminary List of the Mosses of Paraguay” Buck (1985) commented on the low level of bryological knowledge in this country. He also pointed out the need for muscological studies and encouraged collectors “to gather bryophytes whenever possible ...
Kuc, Marian
core  

Synapsids and sensitivity: Broad survey of tetrapod trigeminal canal morphology supports an evolutionary trend of increasing facial tactile specialization in the mammal lineage

open access: yesThe Anatomical Record, EarlyView.
Abstract The trigeminus nerve (cranial nerve V) is a large and significant conduit of sensory information from the face to the brain, with its three branches extending over the head to innervate a wide variety of integumentary sensory receptors, primarily tactile.
Juri A. Miyamae   +4 more
wiley   +1 more source

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

分阶式双渐开线齿轮啮合特性及有限元研究

open access: yesJixie chuandong, 2008
The design theories of basic rack tooth profile and mathematical model of the double involutes gear are established by using the mesh theory.The formula of the end face and the contact line are also deduced.The mesh process of end face and the change of ...
张光辉, 李凤吉, 魏静
doaj  

Study on Contact Between Double Metal Composite and Pipe Power Slip for Offshore Well

open access: yesPolish Maritime Research, 2017
The whole process of clamping offshore well double metal composite pipe was established, Reviewing the problems that in the oil and gas wells the double metal composite pipes frequently get plastic damage or even fracture failure when the power slips ...
Yu Wang   +3 more
doaj   +1 more source

Self-ligating orthodontic braces for straightening teeth [PDF]

open access: yes, 2009
This review is published as a Cochrane Review in the Cochrane Database of Systematic Reviews 2009, Issue 1. Cochrane Reviews are regularly updated as new evidence emerges and in response to comments and criticisms, and the Cochrane Database of Systematic
Harradine, Higgins, Mitchell, Thomas
core   +3 more sources

Double teeth [PDF]

open access: yesBritish Dental Journal, 2007
P. Méndez, L. Junquera, L. Gallego
openaire   +1 more source

Histovariability and fossil diagenesis of Pissarrachampsa (Pseudosuchia, Notosuchia, Baurusuchidae) from the Upper Cretaceous of Southeast Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Notosuchians were key components of western Gondwanan Cretaceous ecosystems in terrestrial predator niches and exhibited remarkable taxonomic and ecological diversity. Previous research has explored their physiology, metabolism, and histology, revealing varied growth patterns and life history strategies.
Tito Aureliano   +5 more
wiley   +1 more source

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