词条 | Squamodisc |
释义 |
According to the classical book of Bychowsky (1967),[2] “the Diplectanidae] have special paired attaching formations lying above the disc and also partially on it, on the dorsal and ventral sides in the shape of small rounded convexities equipped with numerous [...] thorn-shaped little hooks or thin thread-like plates located more or less in concentric rows ("squamodisc")". Ultrastructural studies of squamodiscs [3][4] have shown that they include epidermally-embedded spines which are covered by the outer epidermal membrane. The spines are composed of a moderately electron-dense material with denser fibrils embedded within it. A diplectanid genus Squamodiscus Yamaguti, 1934 was created but is now considered[5] a synonym of Diplectanum Diesing, 1858. Some diplectanids, such as members of the genera Lamellodiscus or Calydiscoides, have a similar structure which is composed of lamellae, not rodlets; in this case the structure is called a lamellodisc.[1] References1. ^1 Oliver, G. (1987). Les Diplectanidae Bychowsky, 1957 (Monogenea, Monopisthocotylea, Dactylogyridea). Systématique. Biologie. Ontogénie. Écologie. Essai de phylogenèse. Thèse d'État, Académie de Montpellier, Université des Sciences et Techniques du Languedoc, France. {{doi|10.6084/m9.figshare.1295274}} {{open access}} 2. ^Bychowsky, B. E. (1957) Monogenetic Trematodes. Their systematic and phylogeny. Akad. Nauka. USSR. English translation by the American Institute of Biological Science, Washington. 509 pp.{{doi|10.5962/bhl.title.7475}} {{open access}} 3. ^{{cite journal|last1=Shaw|first1=M. K.|title=The ultrastructure of the pseudohaptoral squamodiscs of Diplectanum aequans (Monogenea)|journal=Parasitology|volume=82|issue=02|year=2009|pages=231|issn=0031-1820|doi=10.1017/S0031182000056961}} 4. ^1 {{cite journal|last1=Knoff|first1=Marcelo|last2=Cohen|first2=Simone Chinicz|last3=Cárdenas|first3=Melissa Querido|last4=Cárdenas-Callirgos|first4=Jorge M.|last5=Gomes|first5=Delir Corrêa|title=A new species of diplectanid (Monogenoidea) from Paranthias colonus (Perciformes, Serranidae) off Peru|journal=Parasite|year=2015|volume=22|pages=11|doi=10.1051/parasite/2015011|url=http://www.parasite-journal.org/articles/parasite/full_html/2015/01/parasite140121/parasite140121.html|pmid=25754099|pmc=4353888}}{{open access}} 5. ^Yamaguti, S.(1963). Systema Helminthum Volume IV Monogenea and Aspidocotylea: John Wiley & Sons. 6 : Platyhelminth anatomy|Animal morphology|Parasitic protostomes|Monogenea|Monopisthocotylea|Diplectanidae |
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