Frogspawn of the common frog Rana temporaria at various stages of development, black dots eggs surrounded by jelly like substance blastula developing

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Size: 7360px × 4912px
Location: Sevenoaks, Kent, England, UK
Photo credit: © Yon Marsh Natural History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: amphibian, background, birth, black, blastomere, blastula, body, case, casing, chordate, cleavage, clumped, cluster, developing, dots, ectoderm, egg, eggs, embryo, endoderm, fertilisation, frog, frogspawn, fusion, gastrula, gastrulation, germ, hatch, hatching, jelly, jelly-, layer, layers, mesoderm, notogenesis, organogenesis, rana, slimy, somite, space, spawn, tadpole, tail, temporaria, vertebrate, white, zygote