hexacanth


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hex·a·canth

(hek'să-kanth),
The motile six-hooked first-stage larva of cyclophyllidean cestodes; it emerges from the egg and actively claws its way through the intermediate host's intestine before development into the next larval stage; for example, the hexacanth of Taenia saginata, which penetrates the intestine of a cow that ingested the egg, then forms a cysticercus in the muscles of the intermediate host.
Synonym(s): oncosphere
[hexa- + G. akantha, hook or thorn]

hexacanth

(hek'sa-kanth) [Gr. hex, six, + akantha, hook, thorn]
The embryonic stage in the life cycle of the tapeworm that has six hooklets to penetrate the intestinal mucosa.
Synonym: oncosphere

hexacanth

the six-hooked spherical embryo found in certain tapeworms.
References in periodicals archive ?
148) La second larval stage a procercoid (149) La third larval stage a plerocercoid (150) La protein embedments in epidermis of hexacanth (151)
the consequent lack of an embryophore) (156) La hexacanth larvae with unicellular protonephridium
Of these, the loss of an axoneme in the sperm's tail (male) and the loss of cilia on hexacanths and tails on plerocercoids (larval) occur more than once.