Myosin Collection

Heart muscle, confocal light micrograph
Heart muscle. Confocal light micrograph of a section through cardiac (heart) muscle. Cardiac muscle consists of branching elongated muscle cells

Muscle fibre structure, artwork
Muscle fibre. Computer artwork showing the structure of a muscle cell, also known as a muscle fibre. The cell is surrounded by a plasma membrane called the sarcolemma (cream)

Illustration of muscle contraction

Detail of deep back muscles with a close-up of sprain, strain and spasm

Illustration of muscle contraction (with labels)

Torn muscle fibers with healing stages surrounding. 1. Macrophage clean-up. 2. New cells migrate to repair. 3. Cells differentiate to become muscle cells

Molecular motor protein F006 / 9618
Myosin molecular motor protein, molecular model. Motor proteins convert chemical energy into mechanical movements in response to specific chemical stimuli

Myosin molecule F006 / 9255
Myosin. Molecular molecule of a smooth muscle myosin. Myosins are a large family of motor proteins that are responsible for muscle contraction in eukaryotic tissues

Myosin fragment molecule F006 / 9245
Myosin fragment. Molecular molecule of a fragment of striated muscle myosin complexed with ADP (adenosine diphosphate). Myosins are a large family of motor proteins that are responsible for muscle

Actin Myosin Muscle Model, artwork C014 / 2661
Computer artwork of the molecular actin myosin muscle structure. The complex ultrastructure of cells, their shape and internal structure

Muscle contraction proteins. Molecular model of muscle protein motor cross-bridges during contraction in muscle. The cross-bridge is seen from the side, with contraction taking place horizontally

Neuromuscular junction, artwork
Neuromuscular junction. Computer artwork showing the juntion between a neuron (nerve cell, light blue) and a muscle cell, known as a neuromuscular junction

Smooth muscle tissue, TEM
Smooth muscle tissue. Transmission electron micrograph (TEM) of a longitudinal section through smooth muscle cells. Smooth muscle cells are spindle-shaped and often closely packed together

Actin Myosin Muscle Model, artwork C014 / 2658
Computer artwork of the molecular actin myosin muscle structure. The complex ultrastructure of cells, their shape and internal structure

Actin Myosin Muscle Model, artwork C014 / 2659
Computer artwork of the molecular actin myosin muscle structure. The complex ultrastructure of cells, their shape and internal structure

Actin myosin muscle model, artwork C014 / 2660
Computer artwork of the molecular actin myosin muscle structure. The complex ultrastructure of cells, their shape and internal structure

Human muscle fibres, diagram
Human muscle fibres. Diagram showing the structure of human muscles from the cellular to the macroscopic level. At lower right, muscle cells contain many myofibrils

Skeletal muscle fibre. Coloured scanning electron micrograph (SEM) of skeletal muscle fibre. This type of muscle is striated

Skeletal muscle, TEM
Skeletal muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through skeletal, or striated, muscle

Muscle fibres. Computer-enhanced confocal light micrograph of skeletal (striated) muscle fibres. Skeletal muscle is under the conscious control of the brain

Artwork showing structure of human skeletal muscle
Skeletal muscle. Illustration of the structure of human skeletal muscle. Skeletal muscle (top right) consists of bundles of long, thin cells called muscle fibres

Muscle cell anatomy, artwork
Muscle cell anatomy. Artwork of the anatomy of a muscle cell, also known as a muscle fibre. The cell is surrounded by a plasma membrane called the sarcolemma (grey)

Muscle structure, artwork
Muscle structure. Computer artwork showing the protein structure of myofibrils and how they are bound together to form muscle fibres

Muscle anatomy. Cutaway artwork showing the anatomy and internal structure of a muscle, from the macroscopic (left) to the microscopic (right) level

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Myosin: The Mighty Molecular Motor of Muscle Contraction In the intricate world of muscle biology, myosin takes center stage as a vital player in the fascinating process of muscle contraction. This confocal light micrograph showcases the awe-inspiring beauty within heart muscle, highlighting its crucial role in sustaining life. Delving deeper into muscle fiber structure, an artwork captures the complexity and elegance of this microscopic marvel. Myosin molecules intricately interlock with actin filaments to generate force and enable movement, creating a symphony of motion within our bodies. Illustrations vividly depict how myosin powers muscle contraction. With labels guiding us through each step, we witness the coordinated dance between these molecular motor proteins and actin filaments that results in muscular movement - from flexing our biceps to pumping blood through our veins. However, sometimes even mighty they can face challenges. A close-up reveals details of deep back muscles experiencing sprain, strain, or spasm – reminders that proper care is essential for maintaining their health and functionality. Zooming further into the microscopic realm unveils torn muscle fibers surrounded by healing stages. It serves as a testament to both the resilience and regenerative capacity possessed by our body's remarkable machinery. Examining individual components brings us face-to-face with myosin itself – F006/9618 molecule stands tall as a molecular motor protein responsible for powering countless contractions throughout our lifetime. Its counterparts include Myosin molecule F006/9255 and Myosin fragment molecule F006/9245 - all working tirelessly behind-the-scenes to keep us moving effortlessly. An artistic representation called Actin Myosin Muscle Model (artwork C014/2661) offers insight into how these proteins interact on a larger scale. Their harmonious collaboration ensures smooth functioning across various muscles in our body while enabling strength and agility.