Nuchal organ: Difference between revisions

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The nuchal organ is a ciliated pit^[2] or groove present at the posterior end of the prostomium of annelid worms,^[2] some cephalopods,^[3] and other invertebrates.^[4]

Annelids only possess one nuchal organ, although the nature of the grooving may make it appear to be a pair of organs.^[5]

It may be involved in light detection,^[3] and may have a role on food detection and mating.^[6]

^ Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi:10.1007/s004350000022, please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi=10.1007/s004350000022 instead.
^ ^a ^b Hessling, R.; Purschke, G. (2000), "Immunohistochemical (cLSM) and ultrastructural analysis of the central nervous system and sense …" (PDF), Zoomorphology, 120 (2): 65–78, doi:10.1007/s004350000022
^ ^a ^b Parry, M. (2000), "A description of the nuchal organ, a possible photoreceptor, in Euprymna scolopes and other cephalopods", Journal of Zoology, 252 (2): 163–177, doi:10.1111/j.1469-7998.2000.tb00612.x
^ http://www.iii.to.cnr.it/pubblicaz/JL_66_2/PENALVA.pdf {{citation}}: Missing or empty |title= (help)
^ Purschke, G.; Wolfrath, F.; Westheide, W. (1997), "Ultrastructure of the nuchal organ and cerebral organ in Onchnesoma squamatum (Sipuncula, Phascolionidae)", Zoomorphology, 117: 23, doi:10.1007/s004350050026
^ Schlötzer-schrehardt, U. (1986), "Ultrastructural investigation of the nuchal organs ofPygospio elegans (Polychaeta). I. Larval nuchal organs", Helgoländer Meeresuntersuchungen, 40 (4): 397, doi:10.1007/BF01983820

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-[[Image:Nuchal organ.png|thumb|The Nuchal organ (no). Source: {{ref doi|10.1007/s004350000022}}]]
+[[Image:Nuchal organ.png|thumb|The Nuchal organ (no). Source: <ref name="Hessling2000a">{{cite doi|10.1007/s004350000022}}</ref>]]
 The '''nuchal organ''' is a [[ciliated]] pit<ref name=Hessling2000>{{citation
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  | doi = 10.1007/s004350000022
  | url = http://www.springerlink.com/index/JVUVEH1D0HUXQCHF.pdf
-}}</ref> or groove present at the posterior end of the [[prostomium]] of [[annelid]] worms,<ref name=Hessling2000/> some [[cephalopod]]s,<ref name=Parry2000/> and other [[invertebrates]].<ref>{{Cite journal | url = http://www.iii.to.cnr.it/pubblicaz/JL_66_2/PENALVA.pdf}}</ref>
+}}</ref> or groove present at the posterior end of the [[prostomium]] of [[annelid]] worms,<ref name=Hessling2000/> some [[cephalopod]]s,<ref name=Parry2000/> and other [[invertebrates]].<ref>{{Citation | url = http://www.iii.to.cnr.it/pubblicaz/JL_66_2/PENALVA.pdf}}</ref>
 Annelids only possess one [[nuchal]] organ, although the nature of the grooving may make it appear to be a pair of organs.<ref>{{citation