nounpl. retinas or retinae
Origin of retinaMedieval Latin probably ; from Classical Latin rete (gen. retis), net ; from Indo-European base an unverified form ere-, loose, separate from source Classical Greek erēmos, solitary, Lithuanian rẽtis, sieve and amp; (prob.) Classical Latin rarus, rare
nounpl. ret·i·nas or ret·i·nae
Origin of retinaMiddle English, from Medieval Latin rētina, from Latin rēte, net.
(plural retinas or retinae or retinÃ¦)
From Medieval Latin retina, the diminutive form of Latin rete (â€œnetâ€), probably from the Vulgar Latin phrase (tunica) *retina, literally "net-like tunic", used to describe the blood vessel system at the back of the eye. (Gerard of Cremona may have created this phrase as a translation for Arabic (tabaqa) sabakiva "net-like layer", which translates Ancient Greek á¼€Î¼Ï†Î¹Î²Î»Î·ÏƒÏ„ÏÎ¿ÎµÎ¹Î´Î®Ï‚ (amphiblÄ“stroeidÄ“s) (Ï‡Î¹Ï„ÏŽÎ½ (khitÅn))).