optic kalwa

optic foramen' heey optic kalvyache praveshdwar aahe. kalwa sphenoid hadat sthit aahe; too madhyabhagi sphenoidchya sharirane aanee parshvikpane sphenoidchya lahan pankhanne vedhalela asato.
sphenoid hadachya varchya prushthbhagala mage eka shikhar asate, jeey eka arund, aadvya khambachi, chiasmatic khambachi (optic khamb) purv seema tayar karate, jyachya varr aanee mage optic chiasma asato; khamb optic foramenmadhye donhi bajunna sampato, joou optic majjatantu aanee netra dhamanila (sahanubhootishil majjatantu tantunsah) kakshiy pokalit prasarit karato. optic majjatantuchya tulanet, netra dhamani hii kalvyat anpekshitpane sthit asate.
davya aanee ujavya drushti vahinyanmadhil kalve mageel bajus 25 miimii aanee mageel bajus 30 miimii antaravar aahet. kalve swatach fanelchya aakarache (sarvat arund agrabhagi) asatat.

