File:EB1911 Sponges - Plakina monclopha (1).jpg
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Summary
| Description |
English: Plakina monclopha (a sponge):
a, Ciliated embryo (the central part should be shaded). b, Part of section of ciliated embryo. col, Inner cell-mass. ec, External, columnar cells. fl, Flagella. c, Attached embryo, viewed from above, with the gastral cavity appearing in the interior. d, Vertical section of attached embryo. e, Rhagon stage, viewed as a transparent object, showing the inhalant pores on the surface and the flagellated chambers in the interior; the osculum is not shown. f, Part of vertical section through adult sponge, showing the folded choanosomal lamella or spongophare. ov, Ova. bl, Embryo. |
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| Date | published 1911 | |||
| Source | “Sponges,” Encyclopædia Britannica (11th ed.), v. 25, 1911, p. 717, fig. 4. | |||
| Author | After F. E. Schulze. | |||
| Permission (Reusing this file) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:57, 23 September 2018 | | 896 × 1,076 (530 KB) | Library Guy | {{Information |description ={{en|1=''Plakina monclopha'' (a sponge): ''a'', Ciliated embryo (the central part should be shaded). ''b'', Part of section of ciliated embryo. ''col'', Inner cell-mass. ''ec'', External, columnar cells. ''fl'', Flagella. ''c'', Attached embryo, viewed from above, with the gastral cavity appearing in the interior. ''d'', Vertical section of attached embryo. ''e'', Rhagon stage, viewed as a transparent object, showing the inhalant pores on t... |
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