Credit: SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY

Caption: Phase contrast cinemicrography of swimming human spermatozoa. Each sperm (spermatozoan) has a rounded head (5 micrometres by 3 micrometres) and a long tail (50 micrometres long), which it uses to both swim and burrow into the egg. The tail propels the sperm cell at about 1 to 3 millimetres per minute by whipping in an elliptical cone. Fertilisation occurs when a sperm's genetic material (deoxyribonucleic acid, DNA) fuses with an egg's DNA, forming a zygote.

Release details: Model release not required. Property release not required.

Keywords: biological, biology, cell, cell biology, cells, fertilising, fertilizing, gamete, gametes, haploid, head, heads, human body, light, male, microscope, microscopy, optical, phase contrast cinemicrography, reproduction, sex cell, sexual reproduction, sperm, spermatozoa, spermatozoan, spermatozoon, swimming, swimming human sperm, tail, tails

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Swimming human sperm

K002/2353 Rights Managed

Downloadable master

Duration: 00:00:09.07

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 224.5M

Original

Capture format: XDCAM EX

Codec: XDCAM EX 1080p25 (35 Mb/s VBR)

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

 

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