| 释义 |
hexacanth
hexacanth[′hek·sə‚kanth] (invertebrate zoology) Having six hooks; refers specifically to the embryo of certain tapeworms. hexacanth
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: oncospherehexacanth the six-hooked spherical embryo found in certain tapeworms. |