portio

noun

por·tio ˈpȯr-shē-ˌō

ˈpȯrt-ē-ˌō

plural portiones ˌpȯr-shē-ˈō-ˌnēz

: a part, segment, or branch (as of an organ or nerve)

the visible portio of the cervix

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“Portio.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/portio. Accessed 29 Nov. 2025.

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