Fibril Collection

Collagen synthesis and assembly, artwork. At left is a fibroblast, the cell that synthesises helical protein chains of collagen (wavy lines)

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

Digital illustration of vertebrate muscle attached to skeleton, consisting of bundles of muscle fibres composed of thousands of thinner muscle fibrils

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

Algae cell wall, SEM
Algae cell wall. Coloured scanning electron micrograph (SEM) of cellulose microfibrils (strands) in a Chaetomorpha sp. algal cell wall

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, 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)

Malaria parasite, TEM
Malaria parasite. Image 4 of 10. Coloured transmission electron micrograph (TEM) of a sexual male malaria (Plasmodium sp.) microgametocyte in a mosquito (Anopheles sp.) gut

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

Mimivirus, artwork
Mimivirus. Computer artwork of an Acanthamoeba polyphaga mimivirus (APMV) particle. APMV is commonly known as the mimivirus

Hair shaft anatomy, artwork
Hair shaft anatomy. Cutaway artwork showing the internal structure and anatomy of a human hair. Hair is made of a fibrous protein called keratin

Damaged cardiac tissue, artwork
Damaged cardiac tissue. Artwork of damaged heart fibres and cells in heart muscle tissue (myocardium). This can occur due to reduced blood supply (ischaemia)

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

Collagen fibre, molecular model. Collagen is a long structural protein, which usually takes the form of a triple helix known as tropocollagen

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"Fibril: The Intricate Building Blocks of Muscles and More" Collagen synthesis and assembly, artwork: Delve into the fascinating world of fibrils - the intricate building blocks that make up our muscles and beyond. Through collagen synthesis and assembly, these tiny structures play a crucial role in maintaining our body's strength and functionality. Cardiac muscle, TEM: Underneath the microscope, cardiac muscle reveals its mesmerizing beauty. Transmitted Electron Microscopy (TEM) captures the delicate network of fibrils within this vital organ, showcasing their organized arrangement that enables efficient contraction for a healthy heartbeat. Cardiac muscle and capillary, TEM: Zooming even closer with TEM, we witness an extraordinary sight – the intertwining dance between cardiac muscle fibers and capillaries. This intricate relationship ensures optimal oxygen supply to sustain the heart's relentless pumping action. Digital illustration of vertebrate muscle attached to skeleton: Imagine a digital masterpiece illustrating vertebrate muscles connected to their skeletal framework. Within each bundle of muscle fibers lies thousands of thinner yet mighty fibrils working together harmoniously to provide strength, flexibility, and movement. Sugar uptake in muscles diagram: Unlocking one secret behind muscular energy production is understanding sugar uptake within our muscles. A detailed diagram showcases how essential nutrients are absorbed by these remarkable fibrils to fuel our physical activities. Algae cell wall SEM image: Beyond human anatomy lies another realm where fibrils manifest themselves - algae cells. Scanning Electron Microscopy (SEM) unveils an enchanting view of algae cell walls adorned with intricately woven fibrillar patterns that contribute to their structural integrity. Human muscle fibers diagram: Peering into human physiology once again through a comprehensive diagram depicting various types of muscle fibers found in our bodies. These illustrations highlight how different arrangements of fibrils give rise to diverse functions such as endurance or explosive power. Cardiac Muscle SEM image: Another captivating glimpse at cardiac tissue comes from Scanning Electron Microscopy (SEM).