File:EB1911 Gastropoda - Embryo of Limnaeus stagnalis.jpg
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| Description |
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) |
|
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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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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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