cystacanth


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cys·ta·canth

(sis'tă-kanth),
The fully developed larva of Acanthocephala, infective to the final host and with an inverted fully formed proboscis characteristic of the adult worm.
[cyst- + G. akantha, thorn or spine]

cystacanth

an intermediate stage of Macracanthorhyncus spp. in arthropods.
References in periodicals archive ?
Acanthocephalan cystacanths have been reported from Ctenosaura pectinata, Phyllodactylus lanei, Sceloporus jarrovii and S.
California Spauligodon gigantricus California Strongyluris similis* California Urosaurus nigricaudus Strongyluris similis* Baja California Sur Thubunaea iguanae Baja California Sur acanthocephalan Baja California Sur cystacanths Urosaurus ornatus Mesocestoides sp.
When eaten by the definitive host, the cystacanth excysts and develops to maturity in the digestive tract.
Morphological measurements and characteristics of the mounted everted specimen are identical to the everted cystacanths of Macracanthorhynchus ingens (Linstow 1879) Meyer 1933, described by Elkins & Nickol (1983) and consistent with the cystacanth description by Moore (1946).
The documentation of oligacanthorhynchid cystacanths in the suborder Serpentes is very limited.
third stage larvae); and one species of Acanthocephala represented by oligacanthorhynchid (proboscis short, globular; hooks in six spiral rows) cystacanths were found.
Oligacanthorhynchid cystacanths of acanthocephalans have previously been reported in Rhinocheilus lecontei from Riverside County, California as well as Arizona, Texas and Mexico (Goldberg et al.
HWML 16513), Pharyngodon warneri (HWML 16512), acanthocephalan cystacanths (HWML 16512).
Oligacanthorynchid acanthocephalan cystacanths were found in six lizards (five males, one female; 81.
USNM 83366), Parathelandros texanus (USNM 83367), Pharyngodon warneri (USNM 83368), acanthocephalan cystacanths (USNM 83365).
USNM 81552), Parathelandros texanus (USNM 81553), acanthocephalan cystacanths (USNM 81550-81551).