lamina cribrosa


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Related to lamina cribrosa: lamina cribrosa sclerae

lamina cribrosa

[′lam·ə·nə krə′brō·sə]
(anatomy)
The portion of the sclera which is perforated for the passage of the optic nerve.
The fascia covering the saphenous opening in the thigh.
The anterior or posterior perforated space of the brain.
The perforated plates of bone through which pass branches of the cochlear part of the vestibulocochlear nerve.
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References in periodicals archive ?
Infiltration posterior to lamina cribrosa, but not involving the cut end of Optic Nerve (Both also had less than 8 mm Optic Nerve length)--Two patients
Optic nerve at the level of the lamina cribrosa in an eye filled with silicone oil shows numerous clear spaces.
With its high-resolution capability, this new technology enables a closer evaluation of the internal structure of drusen and their relationship with the lamina cribrosa.
Central retinal vein occlusion (CRVO) is usually due to a fibrin and platelet thrombin before or at the level of lamina cribrosa.
Optic disc hemorrhage can be caused not only by ischemic microinfarction in the optic disc, but also by mechanical rupture of small blood vessels arising from structural changes at the level of the lamina cribrosa.
Myelination of the anterior visual system begins centrally at the lateral geniculate body at 5th month of embryonic development and proceeds distally to chiasm by 6-7 months, the retrobulbar optic nerve by 8 months, and the lamina cribrosa at term.
Cerebrospinal fluid (CSF) cytology and bone marrow biopsy were advised for all patients with infiltration of iris, ciliary body, choroid, optic nerve lamina cribrosa, retrolaminar optic nerve, optic nerve to the line of transection, sclera, and extrascleral structures.
a Superior neuroretinal rim thinning b Peripapillary atrophy c Lamina cribrosa pores d Cup to disc ratio >0.
Extent of growth (notes E and J) (1) Anterior extent of tumor (eg, peripheral retina, anterior chamber) (2) Posterior extent of tumor (eg, posterior to equator, to edge of optic disc, optic nerve anterior to lamina cribrosa, optic nerve posterior to lamina cribrosa, to cut edge of optic nerve) h.
Optik sinir avulsiyonu cesitli travmalar sonucu olusan ve optik sinirin lamina cribrosa seviyesinde goz kuresinden ayrildigi travmatik bir optik noropati seklidir.
It can be hypothesied that the deformation and thinning of the lamina cribrosa in highly myopic eyes is similar to that which occurs in the lamina cribrosa in OAG.