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 28 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share