- fetal o. the form of the fetus in utero; its length is about one-half of the length of the extended fetus.
- Manchester o. an egg-shaped radium applicator for placement in the lateral vaginal fornices. [University of Manchester, England]
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ovoid 'ō-.vȯid adj shaped like an egg <an \ovoid tumor>
ovoid n an ovoid radium applicator placed within the vagina for radiotherapy
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(oґvoid) [ovo- + -oid] 1. oval. 2. an egg-shaped structure.Medical dictionary. 2011.