pe·​riph·​y·​sis | \ pəˈrifəsə̇s \
plural periphyses\ -​əˌsēz \

Definition of periphysis

: one of the sterile filaments that line the ostiole of many perithecia and other fruiting structures — compare paraphysis

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History and Etymology for periphysis

New Latin, from Greek, overgrowth, from periphyein to grow around, grow over (from peri- + phyein to grow, bring forth) + -sis

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Cite this Entry

“Periphysis.” Dictionary, Merriam-Webster, Accessed 27 May. 2020.

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