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valvate

valvate

valvate Sentence Examples

  • Sometimes they are nearly in a circle at the same level, remaining flat or only slightly convex externally, and placed so as to touch each other by their edges, thus giving rise to valvate vernation.

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  • - Diagram to illustrate valvular or valvate aestivation, in which the parts are placed in a circle, without overlapping or folding.

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  • In Guazuma the calyx is valvate, and the corolla induplicate.

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  • Sometimes they are nearly in a circle at the same level, remaining flat or only slightly convex externally, and placed so as to touch each other by their edges, thus giving rise to valvate vernation.

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  • These additional features are the following - (1) All existing Arthropoda have an ostiate heart and have undergone " phleboedesis," that is to say, the peripheral portions of the blood-vascular system are not fine tubes as they are in the Chaetopoda and as they were in the hypothetical ancestors of Arthropoda, but are swollen so as to obliterate to a large extent the coelom, whilst the separate veins entering the dorsal vessel or heart have coalesced, leaving valvate ostia (see fig.

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  • - Diagram to illustrate valvular or valvate aestivation, in which the parts are placed in a circle, without overlapping or folding.

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  • When the parts of a whorl are placed in an exact circle, and are applied to each other by their edges only, without overlapping or being folded, thus resembling the valves of a seed-vessel, the aestivation is valvate (fig.

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  • In Guazuma the calyx is valvate, and the corolla induplicate.

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  • may fold inwards very slightly, or they may be applied in a valvate manner, merely touching at their margins, the placentas then being parietal (fig.

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