pedunculationn.
/pᵻˌdʌŋkjᵿˈleɪʃn/, U.S. /pəˌdəŋkjəˈlɛɪʃ(ə)n/ Medicine and Zoology.
The formation of a peduncle, esp. by a tumour; the condition of being pedunculate.
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the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > supporting structure
sustentaculum1841
pedunculation1848
sustentacle1853
stem1861
1848 W. H. Walshe in Todd's Cycl. Anat. & Physiol. IV. 129/2 Pedunculation (single or multiple) is not uncommon [in lipomata].
1871 Philos. Trans. (Royal Soc.) 161 236 If Plagiaulax had shown less degree of ‘pedunculation’ and..had..approached nearer to Chiromys or Phascolarctos in mandibular modifications, an inference of corresponding approximation in diet, or herbivorous application of jaw, would have been legitimate.
1985 Cancer 55 577 Factors correlated with more severe hemorrhage were size, pedunculation and villous growth of adenomas.
1998 Canad. Assoc. Radiologists' Jrnl. (Nexis) 49 132 Large lesions may be pedunculated as a result of peristalsis. The frequency of pedunculation varies from 18% to 69%.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online June 2022).
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n.1848