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 (bŏt′rē-oid′l) also bot·ry·oid (bŏt′rē-oid′)
Shaped like a bunch of grapes. Used especially of mineral formations: botryoidal hematite.

[From Greek botruoeidēs : botrus, bunch of grapes + -oeidēs, -oid.]

bot′ry·oi′dal·ly adv.
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Adj.1.botryoid - resembling a cluster of grapes in form
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Eventually, after a scan showed a blockage, it was discovered that Jayden had a tumour in his bladder and he was diagnosed with Botryoid Rhabdomyosarcoma, an extremely rare form of cancer.
The other two histological types are pleomorphic and botryoid, which account for <10%, and are also associated with a favourable outcome.
In the international classification of rhabdomyosarcoma there are 5 recognized variants: embryonal, alveolar, botryoid embryonal, spindle cell embryonal and anaplastic.