Caption: 3D animation of a sarcomere (repeating contractile unit of myofibrils) in a cardiac muscle cell during a healthy cardiac cycle. At systole, the sarcomere shortens (cardiac muscle cell contracts) and it lengthens (cardiac muscle cell relaxes) at diastole. The speed and intensity of motion increases when the heart rate increases. The green line (top right corner) is representative of an electrocardiogram (ECG) trace, illustrating the electrical activity of the heart during the cardiac cycle.

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Keywords: actin, animated, animation, beat, beating, beats, biological, biology, cardiac, cardiac cycle, cardiology, cell, cells, contracted, contracting, contracts, diastole, ecg, electrocardiogram, fibre, fibres, filament, filaments, healthy, heart, heart rate, human, lengthening, mitochondria, mitochondrion, molecular, motion, movement, muscle, muscles, myocardiocyte, myocardiocytes, myocyte, myocytes, myofibril, myofibrils, myosin, normal, physiological, physiology, relaxed, relaxes, relaxing, sarcolemma, sarcomere, sarcomeres, sarcoplasmic reticulum, shortening, shortens, sr, striated, striation, striations, systole, t-tubule, t-tubules

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Sarcomere motion during cardiac cycle

K003/8656 Rights Managed

Downloadable master

Duration: 00:00:14

Frame size: 640x480

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 21.4M


Capture format: QuickTime Animation

Frame size: 720x486

Codec: Photo - JPEG

Interlaced: Yes

Please contact Science Photo Library if you require the original, or other formats.


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