まとめ
青の舌の投影には,硬直した内部の筋肉が交接管の上に回転し,舌を推進する棒を形成します. このメカニズムは,筋肉のバリスタに似たもので,頭運動量仮説を否定する.
科学分野:
- バイオメカニクス バイオメカニクス
- 動物学 動物学
- 脊椎動物の解剖学について
背景:
- カエルの言語のフリップメカニズムについては議論されている.
- 2つの仮説が存在します:内在的な筋肉の硬化と舌骨の運動量移転.
研究 の 目的:
- の舌のフリップの生体力学的メカニズムを解明する.
- 固有の筋肉の硬化と頭運動量仮説を区別する.
主な方法:
- 舌の動きを捉えるために高速撮影が採用された.
- シンクロナイズド・エレクトロミオグラフィは,舌の投射中に筋肉の活動を記録した.
- 実験には,ヒオイド骨を動かせず,その役割を検証する実験も含まれていた.
主要な成果:
- 舌は,硬直した内在の筋肉を介してシンフィシスに回転し,棒を形成します.
- リンガル・フリップは,舌骨が動かない状態であっても起こります.
- 推進力は,筋肉繊維が結合組織に閉じ込められ,硬い棒を形成することによって達成されます.
結論:
- 固有の筋肉の硬化仮説は,カエルの舌の投影を正確に記述しています.
- 頭運動量仮説は,実験的証拠によって無効である.
- 舌は筋肉の弾丸体として機能し,急激な投射のために硬直した筋棒複合体を利用します.
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When the null and alternative hypotheses are stated, it is observed that the null hypothesis is a neutral statement against which the alternative hypothesis is tested. The alternative hypothesis is a claim that instead has a certain direction. If the null hypothesis claims that p = 0.5, the alternative hypothesis would be an opposing statement to this and can be put either p > 0.5, p < 0.5, or p ≠ 0.5.
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The inspection begins with visually examining the mouth for symmetry, color, and size.
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