ovule : Idioms & Phrases
amphitropous ovule
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noun a partly inverted ovule turned back 90 degrees on its stalk
WordNet
anatropous ovule
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noun a completely inverted ovule turned back 180 degrees on its stalk
WordNet
campylotropous ovule
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noun a curved ovule with the micropyle almost touching the funiculus
WordNet
orthotropous ovule
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noun a completely straight ovule with the micropyle at the apex
