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or juvenile state of an
Acanthocephalan, differing from the adult only in size and stage of sexual development. The cystacanths within the intermediate hosts are consumed by the definitive host, usually attaching to the walls of the intestines, and as adults they reproduce sexually in the intestines.
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Schoch, Conrad L; Ciufo, Stacy; Domrachev, Mikhail; Hotton, Carol L; Kannan, Sivakumar; Khovanskaya, Rogneda; Leipe, Detlef; Mcveigh, Richard; O’Neill, Kathleen; Robbertse, Barbara; Sharma, Shobha; Soussov, Vladimir; Sullivan, John P; Sun, Lu; Turner, Seán; Karsch-Mizrachi, Ilene (2020).
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The life cycle of an acanthocephalan consists of three stages beginning when an infective acanthor (development of an egg) is released from the intestines of the
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or the intestine of the intermediate host and growing. The final stage is the infective cystacanth which is the
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in parentheses indicates that the species was originally described in a genus other than the present genus.
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288:, the second stage called the acanthella begins. This stage involves penetrating the wall of the
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305:(hosts where parasites infest but do not undergo larval development or sexual reproduction) for
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Schmidt, G.D. (1985). "Development and life cycles". In
Crompton, D.W.T.; Nickol, B.B. (eds.).
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376:"NCBI Taxonomy: a comprehensive update on curation, resources and tools"
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441:"Human Acanthocephaliasis: a Thorn in the Side of Parasite Diagnostics"
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CDC’s
Division of Parasitic Diseases and Malaria (11 April 2019).
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species consist of a proboscis covered in hooks and a long trunk.
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that would confirm its position as a unique order in the family
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infesting humans in the
English language medical literature.
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of the definitive host and the cycle repeats. There may be
152:(thorny-headed worms, also known as spiny-headed worms).
497:. Cambridge: Cambridge Univ. Press. pp. 273–305.
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parasitizes animals. There are no reported cases of
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348:There are no known aberrant human infections for
160:The genus was described by Van Cleave, 1919. The
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276:and then ingested by an arthropod, the
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439:Mathison, BA; et al. (2021).
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504:from the original on 22 July 2023
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284:are ???. When the acanthor
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168:analysis has been published on
297:The acanthor is passed in the
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491:Biology of the Acanthocephala
268:Life cycle of Acanthocephala.
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208:Gracilisentis gracilisentis
164:does not indicate that any
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411:Center for Disease Control
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32:Scientific classification
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238:Gracilisentis variabilis
16:Genus of parasitic worms
202:contains four species.
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232:(Gupta and Lata, 1967)
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228:Gracilisentis sharmai
218:Gracilisentis mugilis
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403:"Acanthocephaliasis"
252:The distribution of
222:Gupta and Lata, 1967
664:Neoechinorhynchidae
174:Neoechinorhynchidae
99:Neoechinorhynchidae
337:binomial authority
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212:(Van Cleave, 1913)
89:Neoechinorhynchida
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623:Open Tree of Life
526:Taxon identifiers
451:(11): e02691-20.
278:intermediate host
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506:. Retrieved
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419:. Retrieved
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384:. Retrieved
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248:Distribution
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166:phylogenetic
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407:www.cdc.gov
180:Description
360:References
290:mesenteron
195:The genus
55:Kingdom:
49:Eukaryota
658:Category
549:Q3819124
543:Wikidata
499:Archived
475:34076470
415:Archived
352:species.
156:Taxonomy
130:See text
95:Family:
65:Phylum:
59:Animalia
45:Domain:
641:1321770
628:4951418
602:1201477
589:2500930
508:16 July
466:8525584
421:17 July
386:1 April
191:Species
122:Species
105:Genus:
85:Order:
75:Class:
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382:. NCBI
294:larval
636:WoRMS
615:64247
597:IRMNG
576:38944
502:(PDF)
495:(PDF)
323:Notes
299:feces
286:molts
260:Hosts
146:genus
144:is a
610:ITIS
584:GBIF
563:4QKB
510:2023
471:PMID
423:2023
388:2024
571:EoL
558:CoL
461:PMC
453:doi
148:in
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449:59
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431:^
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335:A
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390:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
