oncosphere


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oncosphere

 [ong´ko-sfēr]
the larva of the tapeworm contained within the external embryonic envelope and armed with six hooks.

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]

oncosphere

/on·co·sphere/ (ong´ko-sfēr) the larva of the tapeworm contained within the external embryonic envelope and armed with six hooks.

oncosphere

the larva of the tapeworm contained within the external embryonic envelope within the egg and armed with six hooks. Called also onchosphere.
References in periodicals archive ?
Gauci CG, Lightowlers MW Alternative splicing and sequence diversity of transcripts from the oncosphere stage of Taenia solium with homology to the 45W antigen of Taenia ovis.
The end of this phase was scheduled for July 2007 and its completion allows Oncologix to enter the next project phase for the Oncosphere System earlier than originally anticipated.
I believe that as a group we can challenge the medical community and Oncologix to develop a plan for the Oncosphere that will advance the field of microsphere brachytherapy through evidence-based medicine.
While this contract is only for the Development Phase for the next nine months, discussions with IUT have resulted in an expectation that this may be the beginning of a long term collaborative effort between the two companies in the development and testing of the Oncosphere product.
We believe that Oncologix represents a rare opportunity to match the technology developed by Doctor Kennedy, a worldwide-recognized authority in liver cancer, and an impressive Oncologix management team to develop a product and patient delivery system, the Oncosphere, that will have a significant positive impact on the lives of liver cancer patients.
In our opinion, this is explained by the constant character of the invasion by oncospheres during the life time of the sheep.
Upon ingestion, tapeworm eggs release oncospheres, which invade the intestinal wall and disseminate through the bloodstream to form cysts throughout the body.
The migration of oncospheres of Taenia pisiformis, T.
Oncospheres can then hatch within the bowel and from there seed remote tissue, where they develop into cysticerci.
Ingested eggs release oncospheres, which invade the intestinal mucosa and disseminate throughout the body to form larval cysts.
Approximately 2 months after entering the circulation, oncospheres develop into cysticerci.
The enormous production of echinococcal vesicles originates from only 1 or a few small oncospheres, which are the invasive larval stage of the parasite.