File:EB1911 Hydromedusae - Budding from the Ectoderm in Margellium.jpg
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Summary
| Description |
English: Budding from the Ectoderm (germinal epithelium) in Margellium (see legend below). |
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| Date | published 1911 | |||
| Source | “Hydromedusae,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 148, fig. 47. | |||
| Author | After C. Chun. | |||
| Permission (Reusing this file) |
|
English: Legend:
| A, | The epithelium becomes two-layered. |
| B, | The lower layer forms a solid mass of cells, which (C) becomes a vesicle, the future endoderm, containing the coelenteric cavity (coel), while the outer layer furnishes the future ectoderm. |
| D, E, F, | a thickening of the ectoderm on the distal side of the bud forms an entocodon (Gc). |
| G, H, | Formation of the medusae. |
| s.c, | Sub-umbral cavity. |
| r.c, | Radial canal. |
| st, | Stomach, which in H acquires a secondary communication with the digestive cavity of the mother. |
| cc, | Circular canal. |
| v, | Velum. |
| t, | Tentacle. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:35, 16 November 2018 | | 869 × 667 (143 KB) | Library Guy | {{Information |description ={{en|1=Budding from the Ectoderm (germinal epithelium) in ''Margellium'' (see legend below).}} |date =published 1911 |source =“Hydromedusae,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 148, fig. 47. |author =After C. Chun. |permission ={{PD-Britannica}} }} {{en|Legend:}} {| |-valign="top" |A,||The epithelium becomes two-layered. |-valign="top" |B,||The lower layer forms a solid mass of cells, which (C) becomes a vesicle, the... |
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