| Henry James Clark - 1865 - 344 páginas
...there is little or no trace of the canals to be seen ; but the moment contraction begins, they appear as fine radiating streaks, and as the main portion...again, which is effected in this very remarkable way. As the main vesicle (cv 1 ) begins to expand, the canals, one after the other, and in nearly regular... | |
| Henry James Clark - 1865 - 366 páginas
...there is little or no trace of the canals to be seen ; but the moment contraction begins, they appear as fine radiating streaks, and as the main portion...next moment to return the fluid to the main reservoir agafn, which is effected in this very remarkable way. As the main vesicle (cv 1 ) begins to expand,... | |
| 1875 - 694 páginas
...of any other similar organ" in these animals. When fully expanded they appear round, as at cv;.bnt when contracted they appear, observes Clark, as "fine...way." The contents of these vesicles is a clear fluid. The reproductive organ in Parameeimn is a small tube (?»), only seen at the reproductive period wben... | |
| 1875 - 698 páginas
...circulation of the higher animals, is represented in Paramecium by two contractile vesicles (cv, cvl, i, n, in), both of which have a degree of complication...way." The contents of these vesicles is a clear fluid. The reproductive organ in Paramecium is a small tube (?t), only seen at the reproductive period when... | |
| 1875 - 692 páginas
...as " Hue radiating streaks, and as the main portion .lessens they gradually broaden and swell unlil the former is emptied and nearly invisible, and they...way." The contents of these vesicles is a clear fluid. The reproductive organ in Paramecinm is a small tube (n), only seen at the reproductive period when... | |
| 1875 - 692 páginas
...as " Hue radiating streaks, and as the main portion .lessens they gradually broaden and swell unlil the former is emptied and nearly invisible, and they...way." The contents of these vesicles is a clear fluid. The reproductive organ in Paramecinm is a small tube (n), only seen at the reproductive period when... | |
| Alpheus Spring Packard - 1876 - 252 páginas
...circulation of the higher animals, is represented in Paramecium by two contractile vesicles (cv, cv1, i, n, in), both of which have a degree of complication...way." The contents of these vesicles is a clear fluid. LIFE HISTORIES OF ANIMALS. I) Fig. 25. cv* after the other, at varying distances." It usually lies... | |
| Alpheus Spring Packard - 1880 - 764 páginas
...broaden and swell until the former is emptied and nearly invisible, and they are extended a. b ~ rJ over half the length of the body. In this condition...way." The contents of these vesicles is a clear fluid. The reproductive organ in Paramecium is a small tube (»), only seen at the reproductive period when... | |
| Alpheus Spring Packard - 1879 - 750 páginas
...gradually broaden and swell until the former is emptied and nearly invisible, and they are extended a. b ° over half the length of the body. In this condition...represent the veins, since they serve at the next moment reservoir again, which way." The contents of these vesicles is a clear fluid. The reproductive organ... | |
| Alpheus Spring Packard - 1883 - 744 páginas
...round, as at cv ; but when contracted they appear, observes Clark, as " fine radiating streaks, and us the main portion lessens they gradually broaden and...veins, since they serve at the next moment to return reservoir again, which is effected way." The contents of these vesicles is a clear fluid. The reproductive... | |
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