Morphological variation and airflow dynamics in the human nose

Article Abstract:

Study was done on airflow across physiological flow rates using water and dye flowing through anatomically accurate acrylic models of human nasal air passage ways in order to better understand the effects of nasal variation on airflow. A number of features in the human nose are argued to enhance airflow turbulence, thus increasing the exposure of moving air to the nasal mucosa and facilitating heat and moisture exchange in cold and/or dry climates.

Air flow, Morphological variation

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Bilateral variation in limb articular surface dimensions

Article Abstract:

The directional asymmetry is used as an indicator of mechanical stress during skeletal development for assessing the plasticity of limb articular surface dimension. Results suggest that in the presence of significant levels of directional asymmetry, limb articular surfaces are adapted to mechanical environment.

Joints, Joints (Anatomy), Genetic aspects

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Dental variation of Ryukyu Islanders: a comparative study among Ryukyu, Ainu, and other Asian populations

Article Abstract:

The authors have found many significant similarities between the dental traits of Ryukyu Islanders and those of mainland Japanese, although several traits were intermediate between Japanese and the Atayal or Ainu. This finding suggests the influence of a complex gene flow to Ryukyu Islanders.

Physiological aspects, Teeth, Asians, Ryukyu Islands

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