関連する実験動画
Updated: Feb 14, 2026

08:33
Visualize Drosophila Leg Motor Neuron Axons Through the Adult Cuticle
Published on: October 30, 2018
10.1K
プロリオセプティブ・リミット・デテクターは,ドロソフィラの足の感覚運動制御に寄与する
Brandon G Pratt1,2, Chris J Dallmann1, Grant M Chou1
1Department of Neurobiology and Biophysics, University of Washington, Seattle, WA, USA.
Nature communications
|February 12, 2026
まとめ
フルーツフライ (Drosophila) のプロリオセプティブ・リミット・デテクターは,足の動きを制御する. ヘアプレートと呼ばれるこれらの特殊なニューロンは,移動中に関節の限界を管理するために特定の反射を活性化します.
科学分野:
- 神経科学は神経科学である.
- バイオメカニクス バイオメカニクス
- 動物の行動 動物の行動
背景:
- 機械感覚神経は,四肢の位置と運動の限界を検知する.
- 毛板のような自受性限界検出器の正確な機能はよく理解されていません.
研究 の 目的:
- フルーツフライの足の毛板の機能を調査する.
- 特定のヘアプレートがセンソモーター反射や運動にどのように貢献するかを判断する.
主な方法:
- 行動する果物ハエ (ドロソフィラ) のカルシウムイメージング.
- 軸索の再建のための電子顕微鏡.
- オプトジェネティック活性化とニューロンの静止.
主要な成果:
- コクサヘアプレート (CxHP8) は前足の動きの限界を検知します.
- CxHP8ニューロンは後部を刺激し,前部の足の動きを抑制する.
- CxHP8ニューロンの活性化は姿勢反射を引き起こし,静止は歩行に影響する.
結論:
- 各ヘアプレートは,検出された関節の限界にマッチした感覚運動反射を制御するために特化されています.
- コネクトームデータからプロプロイオセプティブの入力でセンソモーター反射を予測することは可能である.
関連する概念動画
Muscles that Move the Leg
5.4K
The movement of the legs is facilitated by numerous muscles located within the anterior, medial, and posterior compartments of the thigh.
Anterior Compartment
The quadriceps femoris, the most visible muscle of the anterior compartment, is integral for leg extension and thigh flexion. It is formed by merging four distinct muscles — the vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris. The quadriceps tendon, a shared tendon of the four quadriceps muscles, is affixed...
Anterior Compartment
The quadriceps femoris, the most visible muscle of the anterior compartment, is integral for leg extension and thigh flexion. It is formed by merging four distinct muscles — the vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris. The quadriceps tendon, a shared tendon of the four quadriceps muscles, is affixed...
5.4K
Limiting Reactant
70.6K
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in reality, the reactants are not always present in the stoichiometric amounts indicated by the balanced equation.
70.6K
Binet's Contribution to Measures of Intelligence
1.8K
Alfred Binet, along with his student Théophile Simon, was tasked by the French Ministry of Education in 1904 to create a method for identifying students who struggled to learn through conventional classroom instruction. This initiative aimed to address overcrowding by placing such students in specialized schools. Binet and Simon developed an intelligence test comprising 30 tasks, ranging from simple commands, like touching one's nose or ear, to more complex tasks, such as drawing...
1.8K
Gas Chromatography: Types of Detectors-I
1.7K
There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...
1.7K
The Number e as a Limit
102
The number e is a fundamental constant in calculus, playing a central role in describing continuous change, particularly exponential growth. It is most naturally defined through its relationship with the natural logarithm, which is the inverse of the exponential function with base e. This relationship allows e to be characterized using basic principles of differentiation rather than as an arbitrary numerical constant.A key property of the natural logarithm function, ln x, is that its derivative...
102
Gas Chromatography: Overview of Detectors
2.1K
Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
2.1K

