Results 91 to 100 of about 79,773 (196)

Cone beam computed tomography analysis of the root and canal morphology of the maxillary second molars in a Syrian subpopulation

open access: yesBMC Oral Health
Aim To investigate the root number and morphology of the maxillary second molars in the Syrian population besides bilateral symmetry, and the effect of gender. Methods 250 Cone Beam Computed Tomography (CBCT) images (140 females, 110 males) were examined
Safaa Allawi   +4 more
doaj   +1 more source

Comparative Fluctuating Asymmetry and Directional Asymmetry in Four Cattle Skulls

open access: yesVeterinary Medicine and Science
This study investigates fluctuating asymmetry (FA) and directional asymmetry (DA) in the skulls of four cattle breeds: Eastern Anatolian Red, Southern Anatolian Red, Holstein and Simmental by using geometric morphometrics methods.
Nicoleta Manuta   +7 more
doaj   +1 more source

A review on symmetry properties of birth-death processes

open access: yes, 2015
In this paper we review some results on time-homogeneous birth-death processes. Specifically, for truncated birth-death processes with two absorbing or two reflecting endpoints, we recall the necessary and sufficient conditions on the transition rates ...
Di Crescenzo, Antonio   +1 more
core  

Bilateral lower limb symmetry during sit-to-stand and stand-to-sit tasks in stroke patients with hemiplegia

open access: yesFrontiers in Neurology
IntroductionStroke patients with hemiplegia are at an increased risk of falling during sit-to-stand (Si-St) and stand-to-sit (St-Si) tasks, partly due to impaired bilateral lower limb symmetry.
Meijin Hou   +6 more
doaj   +1 more source

Leaf functional traits of Parrotia subaequalis from different environments in eastern China

open access: yesPlant-Environment Interactions
Functional traits are important in understanding how plants respond and adapt to their immediate environment. Parrotia subaequalis is a highly endangered arbor species found throughout eastern China, primarily inhabiting hillsides and valleys, yet ...
Lifang Zhang, Mingjian Yu, Yanming Fang
doaj   +1 more source

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