Caption: Frog embryo development. Light microscope time-lapse footage of a developing frog embryo. After fertilisation, an egg divides multiple times to form a blastula, which is 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. Individual organs begin to differentiate within these germ layers as the embryo develops into a tadpole. A neural tube forms dorsally, and goes on to form the tadpole's brain and spinal cord.

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Keywords: 30 seconds or greater, amphibian, animal, ball, biological, biology, blastula, blue background, body plan, cell, cell division, cleavage, crest, developing, development, dividing, division, egg, embryo, embryogenesis, embryology, embryonic, fauna, fertilised, fertilized, fold, formation, forming, frog, frogspawn, gastrula, gastrulation, germ layer, growing, growth, head, layer, nature, neural, neural tube, no-one, nobody, notochord, several, sphere, stage, tadpole, time lapse, time-lapse, timelapse, vertebrate, zoological, zoology

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Frog embryo development

K005/6115 Rights Managed

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Duration: 00:00:39.24

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 942.2M


Capture format: NIKON D7000

Codec: Apple ProRes 422 (HQ)

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