lamina cribrosa

noun
lamina cri·​bro·​sa | \ -kri-ˈbrō-sə How to pronounce lamina cribrosa (audio) \
plural laminae cribrosae\ -​ˌsē, -​ˌsī How to pronounce laminae cribrosae (audio) \

Medical Definition of lamina cribrosa

: any of several anatomical structures having the form of a perforated plate: as
b : the part of the sclera of the eye penetrated by the fibers of the optic nerve
c : a perforated plate that closes the internal auditory canal

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