File:Gastrodiscoides hominis longitudinal section.png

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English: Longitudinal section of an adult Gastrodiscoides hominis (Digenea: Paramphistomata: Gastrodiscidae).
  • a – oral sucker consisting of a tranverselly placed oval orifice, surrounded by a ring of muscular tissue and presenting in many specimens a slight papilla-like prominence;
  • b – bulbous heart-shaped pharynx with the apex directed anteriorly;
  • c – Nercous ganglia on the one side communicating with those of the other by means of a comparatively strong cord passing transversely behind oesophagus;
  • d – oesophagus bifurcating behind the genital pore;
  • e – genital pore situated posteriorly to oral sucker;
  • f – vagina filled with eggs in mature specimen;
  • g – ductus ejaculatorum
  • h – large nerve cords which may be traced along the ventral surface of the two intestinal canals;
  • i – two intestine canals caecally terminated about opposite the middle half of the caudal sucker;
  • j – testes;
  • k – water-vascular system closely attached to the intesine canal on either side connected with numerous fine canaculae;
  • l – ovarium;
  • m – main vitellogene ducts;
  • n – vitellogene ducts with dendriform arrangement;
  • o – ?
  • p – caudal sucker.
日期
来源 Lewis, T. R., McConnell, J. F. P. (1876). Amphistoma hominis: n. sp. A new parasite affecting man. Proceedings of the Asiatic Society of Bengal: 182–186. Reprint
作者 Timothy R. Lewis (?–1886), J. F. P. McConnell (1848–1896)

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当前2013年1月2日 (三) 01:082013年1月2日 (三) 01:08版本的缩略图1,472 × 1,382(726 KB)Mithril=={{int:filedesc}}== {{Information |Description = {{en|1=Longitudinal section of an adult ''Gastrodiscoides hominis'' (Digenea: Paramphistomata: Gastrodiscidae). * ''a'' – oral sucker consisting of a tranverselly placed oval orifice, surrounded by a ...

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