Myofibril Collection

Eye muscle, TEM C014 / 1468
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye

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)

Skeletal muscle, TEM C016 / 5369
Skeletal muscle. Transmission electron micrograph (TEM) of a cross section through human skeletal (striated) muscle. Blocks of muscle (lighter grey) are surrounded by connective tissue (black)

Cardiac muscle, TEM
Cardiac muscle. Coloured transmission electron micrograph (TEM) of cardiac muscle fibrils (orange)from a healthy heart. Mitochondria (pink) supply the muscle cells with energy

Cardiac muscle and capillary, TEM
Cardiac muscle. Coloured transmission electron micrograph (TEM) of cardiac muscle fibrils (purple)from a healthy heart. Mitochondria (green) supply the muscle cells with energy

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

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

Diagram of muscle structure

Sugar uptake in muscles, diagram
Sugar uptake in muscles. Diagram showing sugar from a drink (upper right) being taken up by the muscles of the human body

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

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

Eye muscle, TEM C014 / 1467
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye

Eye muscle, TEM C014 / 1466
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye

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

Cardiac muscle. Coloured scanning electron micrograph (SEM) of heart (cardiac) muscle fibrils (yellow). The membrane around the muscle has been torn (yellow)

Smooth muscle, SEM
Smooth muscle. Coloured scanning electron micrograph of smooth muscle from the trachea (windpipe). Smooth muscle is not under voluntary control, unlike skeletal (striated) muscle

Striated muscle, SEM

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

Skeletal muscle

Coloured SEM of healthy heart muscle fibres
Heart muscle. Coloured scanning electron micrograph (SEM) of healthy heart (cardiac) muscle fibres (green). Mitochondria (red) supply the muscle cells with energy

Coloured SEM of human striated muscle
Striated muscle. Coloured scanning electron micrograph (SEM) of human striated muscle. Striated muscle occurs in all skeletal muscles and its movement is under voluntary control

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

Cardiac muscle, SEM
Cardiac muscle. Coloured scanning electron micrograph (SEM) of a bundle of cardiac muscle fibrils (green) from a healthy heart. Mitochondria (round, orange) supply the muscle cells with energy

Skeletal muscle fibres, SEM
Skeletal muscle fibres, coloured scanning electron micrograph (SEM). Endomysial connective tissue is green. Magnification: x300 when printed at 10 centimetres wide

Skeletal muscle fibre, SEM
Skeletal muscle fibre. Coloured scanning electron micrograph (SEM) of a section through a muscle fibre

Primate finger muscle, SEM

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, artwork
Muscle anatomy. Computer artwork of a cross-section through a skeletal muscle. Single muscle fibres (top right) are made up of many myofibrils surrounded by endomysium connective tissue (orange)

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

Muscle fibre, SEM
Muscle fibre. Coloured scanning electron micrograph (SEM) of a freeze-fractured skeletal (or striated) muscle fibre. The fracturing of the fibre has revealed that it consists of a bundle of smaller

Heart muscle fibres, SEM
Heart muscle fibres. Coloured scanning electron micrograph (SEM) of cardiac muscle fibrils (pink) from a healthy heart. The muscle fibrils, or myofibrils

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"Myofibril: The Mighty Machinery of Muscles Unveiled" Eye muscle, TEM C014 / 1468: Behold the intricate beauty of the myofibrils within our eye muscles, enabling us to see the world with clarity and precision. Heart muscle, confocal light micrograph: In this mesmerizing image, we witness the organized arrangement of myofibrils in cardiac muscle cells, ensuring our hearts beat rhythmically and tirelessly. Muscle fibre structure, artwork: A stunning artistic representation unveils the complex architecture of muscle fibers intertwined with myofibrils - a testament to their strength and resilience. Cardiac muscle, TEM: Underneath a microscope's lens lies an awe-inspiring view of cardiac muscle cells' myofibrillar network that powers every heartbeat with unwavering determination. Cardiac muscle and capillary, TEM: Witness how myofibrils intertwine seamlessly with tiny blood vessels in cardiac tissue - a harmonious collaboration essential for maintaining heart health. Detail of deep back muscles with a close-up of sprain, strain and spasm: Zooming into deep back muscles reveals the aftermaths of sprains, strains, and spasms – reminders that even mighty myofibrils need proper care to avoid injury. Torn muscle fibers with healing stages surrounding: Observe torn muscle fibers surrounded by healing processes as nature's remarkable ability repairs damaged tissues through coordinated efforts involving resilient myofibrils. Diagram of muscle structure: Unlocking the secrets within muscles' core is made easier through an informative diagram illustrating how various components including myofibrils work together flawlessly. Sugar uptake in muscles, diagram: Delve into sugar metabolism within active muscles as depicted in an enlightening diagram showcasing how energy is harnessed by these hardworking bundles called myofibrils. Actin Myosin Muscle Model, artwork C014 / 2661.