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Scientists discover spring-loaded mechanism in unusual species of trap-jaw ant（图）
scientists spring-loaded mechanism trap-jaw ant
2017/9/19
Researchers reveal how a group of trap-jaw ants can snap their jaws shut at speeds of up to 50 miles per hour – just fast enough to capture their elusive prey.
They report their findings in the Journ...
Jaw Intraosseous Lesions Biopsied Extracted From 1998 to 2010 in an Iranian Population
Jaw Population Prevalence
2015/11/6
Background: Jaw bones might be potential locations for different lesions. Differences in prevalence and the type of lesions can help in designing and programming prevention procedures in health care c...
Trap-jaw ants jump with their jaws to escape the antlion's den
Trap-jaw ants jump escape the antlion's den
2015/5/25
Some species of trap-jaw ants use their spring-loaded mandibles to hurl themselves out of harm’s way when an ant-trapping predator stalks, researchers report in the journal PLOS ONE. This dramatic man...
Discovery of jaw by ASU team sheds light on early human ancestor
ASU team early human ancestor
2015/3/18
The earliest evidence of our human genus – Homo – was found in Ethiopia by a team of Arizona State University scientists and students during field research in 2013.The fossil, the left side ...
Frowning and Jaw Clenching Muscle Activity Reflects the Perception of Effort During Incremental Workload Cycling
Perceived exertion facial electromyography masseter muscle corrugator supercilii muscle incremental exercise testing
2015/5/25
The present study aimed to investigate whether facial electromyography (EMG) recordings reflect the perception of effort and primary active lower limb muscle activity during incremental workload cycli...
Orthodontic Treatment of Malocclusion Improves Impaired Skillfulness of Masticatory Jaw Movements
Kinematics Mastication Jerk-cost Tooth extraction Malocclusion Jaw motion
2010/3/9
Objective: To investigate whether individuals with malocclusion show less skillfulness, as represented by kinematic parameters that characterize masticatory jaw movement, compared with those having no...
Design,Manufacture and Investigation of Cracking Efficiency of a Stone Cracking Machine with Periodic Loading and Sloping Jaw
Stone cracking machine Apricot and Almond
2009/10/13
In this study, a stone cracking machine with periodic loading, and a shaky and sloping jaw which breaks apricot and almond stones was designed and manufactured. For determining the cracking eciency o...
Pharyngeal Teeth, Lateral Ethmoids, and Jaw Teeth of Fishes and Additional Fossils From the Late Miocene (Late Khersonian / Early Maeotian) of Eastern Paratethys (Yalova, Near İstanbul, Turkey)
pisces systematics biostratigraphy Neogene Turkey
2009/7/7
A late Khersonian to early Maeotian fossil assemblage from the Upper Miocene to Lower Pliocene Yalakdere Formation near Yalova city (northwestern Anatolia, Turkey) is documented. The following fish ta...
Surgical Accuracy of Maxillary Repositioning According to Type of Surgical Movement in Two-Jaw Surgery
Surgical accuracy Maxillary repositioning Surgical movement type Two-jaw surgery
2010/3/5
Objective: To compare the surgical accuracy of the maxillary repositioning according to the maxillary surgical movement type (SMT) in two-jaw orthognathic surgery (TJOS).
Materials and Methods: The...
Masticatory Function and Maturation of the Jaw-Opening Reflex
Jaw-opening reflex Masticatory function Development Liquid diet
2010/3/5
Objective: To test the null hypothesis that alteration in masticatory function due to liquid-diet feeding during growth does not affect jaw-opening reflex (JOR) maturation.
Materials and Methods: S...
A Review of the Experiments of John Hunter and More Recent Investigators on Localizing the Areas of Jaw Growth
John Hunter More Recent Investigators Jaw Growth
2009/3/19
A Review of the Experiments of John Hunter and More Recent Investigators on Localizing the Areas of Jaw Growth.
Occlusal Reduction in Jaw Fracture Management.
Application of Biological Principles to Treatment of Jaw Fractures
Application Biological Principles Jaw Fractures
2009/3/18
Application of Biological Principles to Treatment of Jaw Fractures.
Analysis of Jaw Relation in Treated Class II Malocclusion
Analysis Jaw Relation Class II Malocclusion
2009/3/16
Analysis of Jaw Relation in Treated Class II Malocclusion.
The Early Developmental Position of the Lower Third Molar Relative to Certain Jaw Dimensions
Developmental Position Lower Third Molar Certain Jaw Dimensions
2009/3/11
The Early Developmental Position of the Lower Third Molar Relative to Certain Jaw Dimensions.