File:EB1911 Gastropoda - Embryo of Limnaeus stagnalis.jpg
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EB1911_Gastropoda_-_Embryo_of_Limnaeus_stagnalis.jpg (635 × 596 pixels, file size: 102 KB, MIME type: image/jpeg)
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[edit]DescriptionEB1911 Gastropoda - Embryo of Limnaeus stagnalis.jpg |
English: Embryo of Limnaeus stagnalis, at a stage when the Trochosphere is developing foot and shell-gland and becoming a Veliger, seen as a transparent object under slight pressure. See legend below. |
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Date | published 1911 | ||||
Source | “Gastropoda,” Encyclopædia Britannica (11th ed.), v. 11, 1911, p. 525, fig. 60. | ||||
Author | Lankester. | ||||
Permission (Reusing this file) |
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English: Legend:
ph, | Pharynx (stomodaeal invagination). |
v, v, | The ciliated band marking out the velum. |
ng, | Cerebral nerve-ganglion. |
re, | Stiebel’s canal (left side), probably an evanescent embryonic nephridium. |
sh, | The primitive shell-sac or shell-gland. |
pi, | The rectal peduncle or pedicle of invagination; its attachment to the ectoderm is coincident with the hindmost extremity of the elongated blastopore of File:EB1911-Gastropoda 3.png, C. |
tge, | Mesoblastic (skeleto-trophic and muscular) cells investing gs, the bilobed arch-enteron or lateral vesicles of invaginated endoderm, which will develop into liver. |
f, | The foot. |
ss, | Deeply invaginated shell-gland. |
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current | 17:16, 26 March 2019 | 635 × 596 (102 KB) | Bob Burkhardt (talk | contribs) | {{Information |description ={{en|1=Embryo of ''Limnaeus stagnalis'', at a stage when the Trochosphere is developing foot and shell-gland and becoming a Veliger, seen as a transparent object under slight pressure. See legend below.}} |date =published 1911 |source =“Gastropoda,” ''Encyclopædia Britannica'' (11th ed.), v. 11, 1911, p. 525, fig. 60. |author =Lankester. |permission ={{PD-Britannica}} }} {{en|Legend:}} {| |-valign="top" |''ph'',||Pharynx (stomodaeal inv... |
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