Muscle Contraction: Nerve Impulse to Sliding Filaments
- Biology
- Class 11
- 3D model
- English
Muscle Contraction: Nerve Impulse to Sliding Filaments: a 3D model for Class 11 Biology, covering Muscle, fibre, myofibril and sarcomere are nested levels of one organisation, An action potential is a regenerative change in membrane voltage…, At the neuromuscular junction acetylcholine is released, crosses the cleft and binds receptors on the motor end plate…, The action potential travels along the sarcolemma and down the T-tubules…, Ca2+ binds troponin, tropomyosin shifts and the myosin-binding sites on actin are exposed.
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Also called
muscle contraction · sliding filament theory · sliding filament model · neuromuscular junction · motor end plate · sarcomere · actin and myosin · cross-bridge cycle · excitation-contraction coupling · T-tubule · sarcoplasmic reticulum · troponin tropomyosin · locomotion and movement · biceps triceps antagonistic muscles · action potential muscle
Topics
About this model
A GLB file of about 1534 KB, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Arm bones, biceps and triceps: Z-Anatomy (Gauthier Kervyn, CC BY-SA 4.0), derived from BodyParts3D (c) The Database Center for Life Science (CC BY-SA 2.1 Japan); GLB conversion by SustainHawaii anatomy-viewer (CC BY-SA 4.0). Motor neuron relief: "Neuron / Nervenzelle" by Barbara Henn, Tactiles (tactiles.eu, CC BY-SA 4.0). Fibre, junction, sarcomere and cross-bridge parts newly authored for Lably. Simplified, recoloured and animated by Lably. | CC BY-SA 4.0 (model shared under CC BY-SA; includes CC BY-SA 2.1 JP BodyParts3D and CC BY-SA 4.0 Z-Anatomy and Tactiles geometry)
