lamina cribrosa
noun
lamina cri·bro·sa
| \ -kri-ˈbrō-sə
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plural laminae cribrosae\ -ˌsē, -ˌsī
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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