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acanthella
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acanthella

invertebrate
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The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • spiny-headed worm
    spiny-headed worm
    / Natural history.

    …a new stage called an acanthella. The acanthella, a miniature version of the adult, withdraws its armed proboscis before entering a resting stage during which it is known as a cystacanth. Once again, no further development occurs unless the cystacanth is ingested by its definitive host, a vertebrate. If ingested,…

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    …a new stage called an acanthella. The acanthella, a miniature version of the adult, withdraws its armed proboscis before entering a resting stage during which it is known as a cystacanth. Once again, no further development occurs unless the cystacanth is ingested by its definitive host, a vertebrate. If ingested,…

    Read More