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Divisional morphogenesis in the marine ciliate Holosticha warreni (Ciliophora: Hypotrichida)
Hu, X.; Song, W.; Warren, A. (2000). Divisional morphogenesis in the marine ciliate Holosticha warreni (Ciliophora: Hypotrichida). J. Mar. Biol. Ass. U.K. 80: 785-788
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Hu, X.
  • Song, W.
  • Warren, A.

Abstract
    The cortical development of the marine hypotrichous ciliate Holosticha warreni, found in coastal waters near Qingdao, China, was investigated using the protargol impregnation method. In the proter, disorganization of the parental adoral zone of membranelles and undulating membranes contributes to the formation of its oral primordia which replace the parental buccal apparatus completely. Cirral anlagen in both division parts derive from the breaking of primary primordia. Most midventral cirri join in the formation of these primordia which occurs de novo separately from the oral primordia. Each of the 11 to 13 oblique streaks divides into three segments (new cirri) while the last two anlagen produce four each. Two frontoterminal cirri derive from the posteriormost anlage. The marginal rows develop from the parental structure. The generation mode of dorsal kineties is of the 'one group type' without forming caudal cirri.

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