File:Echidna historic embryology 41.jpg: Revision history

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14 October 2011

  • curprev 15:3415:34, 14 October 2011S8600021 talk contribs 814 bytes +814 ==Historic Embryology - Echidna== Short-beaked echidna (Tachyglossus aculeatus) embryos, from Plate X of original reference. Legend * aur - anlage of external ear * gh - genital hump * nr - remains of dried amnion (attaching the navel) * s - lateral vie