Zur Entwicklung der Kolloblasten von Pleurobrachia pileus (Ctenophora) |
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Authors: | V Storch K Lehnert-Moritz |
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Institution: | (1) Zoologisches Institut der Universität Kiel, Kiel, Germany;(2) Institut für Pharmazeutische Biologie der Universität Kiel, Kiel, Germany |
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Abstract: | Electron microscopic investigation of young Pleurobrachia pileus has shown that the colloblasts develop from ciliated cells containing rich endoplasmic reticulum. The cilium is connected with the cell-body by means of a thin strand of cytoplasm; the cilium grows spirally around the basal part of the cell and undergoes several modifications; its rootlet forms the star-shaped body; an electron-dense cylinder arises outside the microtubules, the microtubules then degenerate. Basally, the cilium exhibits special anchoring structures. |
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