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関連する概念動画

Self-Concept01:19

Self-Concept

1.7K
Self-concept is the cognitive and emotional understanding individuals hold about their identity. It evolves through various developmental stages, beginning in infancy and maturing as children grow. This concept influences how individuals perceive their abilities, interact with others, and manage challenges throughout life.
Infancy and Emerging Recognition
During infancy, self-concept is virtually nonexistent. Babies do not distinguish themselves as separate entities and often mistake their...
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Review and Preview01:10

Review and Preview

8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
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Review and Preview01:13

Review and Preview

11.6K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.6K
Plastic Deformations01:19

Plastic Deformations

477
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
477
Plastic Deformations01:14

Plastic Deformations

477
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
477
Concepts and Prototypes01:24

Concepts and Prototypes

556
The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...
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Updated: Feb 14, 2026

Measuring Deformability and Red Cell Heterogeneity in Blood by Ektacytometry
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マデルラングの変形:現在の概念のレビュー

Eric R Taleghani1, Mason Price1, Iris Gutmark-Little2

  • 1Department of Orthopaedic Surgery, University of Cincinnati, Cincinnati, OH; Department of Pediatric Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.

The Journal of hand surgery
|February 13, 2026
PubMed
まとめ

Madelungの変形は,珍しい先天的な手首の問題であり,痛みと硬直を引き起こす成長障害が含まれています. 未成熟の患者の早期介入と成熟した患者の外科的矯正は,結果を改善することができます.

キーワード:
生まれながらの上肢の違いレーリ・ウェイル 軟骨不全症マデラングの変形ヴィッカースの帯 (Vickers ligament) とは,ビッカースの帯 (Vickers ligament) と呼ばれている.ターナー症候群 ターナー症候群とは

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A Microfluidic Technique to Probe Cell Deformability
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Tracking Morphogenetic Tissue Deformations in the Early Chick Embryo
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科学分野:

  • 整形外科 整形外科 整形外科
  • 遺伝学 遺伝学とは
  • 放射線学 放射線学

背景:

  • マデラングの変形は,手首の先天性欠陥である.
  • 発症原因は,飛- ?? 門遠端放射性線維細胞の成長障害によるものです.
  • 関連する遺伝疾患には,レリ・ウェイル型軟骨不全症,ターナー症候群,GNAS遺伝子変異が含まれています.

研究 の 目的:

  • マデラング変形症の診断,治療,アウトカムを見直す.
  • 異なる患者集団の現在の管理戦略を強調する.
  • 標準化された成果報告の必要性を強調する.

主な方法:

  • 診断は,臨床的評価と放射線学的基準 (ボラー・ウルナー・ラディアル曲線,プラスのウルナー・ヴァリアンス,カーパル・サブルクサション) に基づく.
  • 複雑な症例や外科計画における高度なイメージング補助器具.
  • 治療は骨格の成熟度によって異なります:未成熟の患者では放射性生理分解とビッカース帯解離;成熟した患者では矯正性骨切除.

主要な成果:

  • 外科的介入は,変形を矯正し,痛みを和らげ,機能を改善することを目的としています.
  • 3D手術計画とカスタムガイドは,再建の精度を高めます.
  • 研究では,治療後の痛み,機能,放射線画像の整合の改善が報告されています.

結論:

  • 管理には,骨格の成熟度と変形の重度に基づいて,個別化されたアプローチが必要です.
  • 限られた長期的なデータは,標準化された結果報告を必要とします.
  • 共同研究は,マデラング変形症のエビデンスベースの治療の進歩に不可欠です.