Definition of introrse in English:

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introrse

Pronunciation: /ɪnˈtrɔːs/

adjective

Botany & Zoology
1Turned inwards. The opposite of extrorse.
Example sentences
  • Anthers are introrse and fused longitudinally through many papillae, in such a way that they form a cuff around the ovary.
  • Five introrse anthers are united to form a cylinder around the style while the separate filaments are attached to the base of the corolla tubes.
1.1(Of anthers) releasing their pollen towards the centre of the flower.
Example sentences
  • The ten stamens are introrse, and when elongate the anthers group in the upper part of the flower.

Origin

Mid 19th century: from Latin introrsus, from introversus 'turned inwards'.

For editors and proofreaders

Line breaks: in|trorse

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