Abstract
Some typical features of stage 16 are represented in Fig. 134. The hind limb bud becomes visible as a distinct bulge at the level of the 23rd–28th somite. The tail rudiment appears as a short stump (Fig. 127). The surfaces of the third and fourth branchial bars are distinctly concave, in contrast to the second. In this way the formation of the cervical sinus is initiated. The lens plate is usually slightly indented (Figs. 129–131). This corresponds to the early horizon XIV of Streeter. Lens development seems to be slightly advanced in mouse compared to human embryos. The olfactory placode is clearly indented, and is also slightly advanced in development compared to the human embryos.
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© 1989 Springer Science+Business Media New York
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Theiler, K. (1989). Closure of Posterior Neuropore; Hind Limb Bud and Tail Bud. In: The House Mouse. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-88418-4_19
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DOI: https://doi.org/10.1007/978-3-642-88418-4_19
Publisher Name: Springer, Berlin, Heidelberg
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