Credit: FRANCIS CHEE/SCIENCE PHOTO LIBRARY

Caption: Frog embryo development. Light microscope time-lapse footage of a frog blastula folding inwards to form a gastrula. After fertilisation, an egg divides multiple times to form a blastula, a hollow sphere made of a single layer of cells. Gastrulation occurs when the single-layered blastula folds inwards and reorganises into a three-layered structure known as the gastrula. These three germ layers are known as the ectoderm, mesoderm, and endoderm. Subsequently, individual organs begin to differentiate within the germ layers as the embryo develops into a tadpole.

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Keywords: 1, 20 seconds or greater, amphibian, animal, ball, biological, biology, blastula, blue background, cell, cell division, cleavage, developing, development, dividing, division, egg, embryo, embryogenesis, embryology, embryonic, fauna, fertilised, fertilized, folding, formation, forming, frog, frogspawn, gastrula, gastrulation, germ layer, growing, growth, invaginating, invagination, inward, layer, light, microscope, microscopic, microscopy, nature, no-one, nobody, one, single, sphere, stage, tadpole, time lapse, time-lapse, timelapse, vertebrate, zoological, zoology

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Frog embryo development

K005/6111 Rights Managed

Downloadable master

Duration: 00:00:27.24

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 856.6M

Original

Capture format: NIKON D7000

Codec: Apple ProRes 422 (HQ)

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

 

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