File:EB1911 Rhizopida - amoeba anatomy.jpg
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[edit]DescriptionEB1911 Rhizopida - amoeba anatomy.jpg |
English: Various aspects of amoeba anatomy. Legend: 1-3, Amoeba radiosa (Dactylosphaerium polypodium), M. Schultze, in three stages of equal binary fission during fifteen minutes; a, nucleus; b, contractile vacuole (after M. Schultze). 4, Amoeba princeps, Ehr.; a, nucleus; b, c, vacuoles; food vacuoles shaded (after Auerbach). 5, 6, Pelomyxa palustris: 5, a small example 1/20 in. in diameter, moderately extended; 6, a portion more highly magnified; a, ectosarc; b, vacuoles; c, d, pseudo pods formed by eruption and containing endosarc; e, vesicles containing a solution of glycogen; f, nuclei; the numerous little pods are symbiotic bacteria. 7, Arcella vulgaris: a, shell; b, cytoplasm; c, lobose pseudopods; d, d, d, 3 nuclei; e, one of the contractile vacuoles; the dark shaded circles represent bubbles or gas vacuoles. 8, Cochliopodium pellucidum: a, “vesicular” nucleus, with dense central mass or “karyosome” (a frequent type of Protistic nucleus). |
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Date | published 1911 | ||||
Source | “Rhizopida,” Encyclopædia Britannica (11th ed.), v. 23, 1911, p. 246, fig. 1. | ||||
Author | From Lankester. | ||||
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current | 16:40, 6 July 2018 | 780 × 1,684 (474 KB) | Library Guy (talk | contribs) | {{Information |description ={{en|1=Various aspects of amoeba anatomy. Legend: 1-3, ''Amoeba radiosa'' (''Dactylosphaerium polypodium''), M. Schultze, in three stages of equal binary fission during fifteen minutes; ''a'', nucleus; ''b'', contractile vacuole (after M. Schultze). 4, ''Amoeba princeps'', Ehr.; ''a'', nucleus; ''b'', ''c'', vacuoles; food vacuoles shaded (after Auerbach). 5, 6, ''Pelomyxa palustris'': 5, a small example {{sm|{{sfrac|1|20}}}} in. in diameter, moderately extende... |
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