myofibril

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striated muscle; human biceps muscle

ultrastructure of a group of myofibrils

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Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

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Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere

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Aspirin pills.

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Berries and leaves of the bittersweet nightshade (Solanum dulcamara) plant. Poisonous plant

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Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

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Photos

striated muscle; human biceps muscle

ultrastructure of a group of myofibrils

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Topics

I band sarcoplasmic reticulum A band Z line triad transverse tubule sarcomere myofilament thick filament thin filament

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muscle: The myofibril