File:Amphioxus Growth of the ciliated embryo.jpg
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[edit]DescriptionAmphioxus Growth of the ciliated embryo.jpg |
Fig. 63.— Growth of the ciliated embryo of Amphioxus. (After HATSCHEK, slightly altered.) B. Same stage from dorsal side. C. Stage, with fifteen pairs of myotomes; from the right side. Vacuoles have appeared in cells of notochord. ch. Notochord. c.s.g. Club-shaped gland. g.s. Rudiment of first gill-slit. int, Intestine. l.a.d. Left head-cavity (left anterior intestinal diverticulum). my.c. Myocoelomic (archenteron) pouches. np. Neuropore. n.t. Medullary tube. pg. Pigment granules in floor of medullary tube. p.n.c. Posterior neurenteric canal. r.a.d. Right head-cavity (right anterior intestinal diverticulum). |
Date | |
Source | https://archive.org/details/cu31924001026131/page/116/mode/1up?view=theater Amphioxus and the ancestry of the vertebrates. New York, London, Macmillan. |
Author | Willey, Arthur |
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current | 11:42, 24 March 2024 | ![]() | 1,735 × 2,138 (1.26 MB) | Rasbak (talk | contribs) | {{information |description=Fig. 63.— Growth of the ciliated embryo of Amphioxus. (After HATSCHEK, slightly altered.)<br> i. Stage, with nine pairs of myoccelomic pouches ; from left side. B. Same stage from dorsal side. C. Stage, with fifteen pairs of myotomes; from the right side. Vacuoles have appeared in cells of notochord. ch. Notochord. c.s.g. Club-shaped gland. g.s. Rudiment of first gill-slit. int, Intestine. l.a.d. Left head-cavity (left anterior intestinal diverticulum). my.c. Myo... |
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