pars plana
noun
pars pla·na
ˈpärs-ˈplā-nə, ˈpärz-
: the posterior part of the ciliary body extending from the pars plicata to the ora serrata
called also ciliary ring, orbiculus ciliaris
Cite this Entry
“Pars plana.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pars%20plana. Accessed 3 Nov. 2025.
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