File:EB1911 Hydromedusae - Budding from the Ectoderm in Margellium.jpg
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DescriptionEB1911 Hydromedusae - Budding from the Ectoderm in Margellium.jpg |
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) |
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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. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:35, 16 November 2018 | 869 × 667 (143 KB) | Library Guy (talk | contribs) | {{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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