optic pit


optic pit
ямка диска зрительного нерва

Англо-русский офтальмологический словарь. 2010.

Смотреть что такое "optic pit" в других словарях:

  • Optic disc pit — An optic disc pit is a congenital excavation (or regional depression) of the optic nerve head resulting from a malformation during development of the eye. Optic pits are important because they are associated with posterior vitreous detachments… …   Wikipedia

  • Optic stalk — Transverse section of head of chick embryo of fifty two hours’ incubation …   Wikipedia

  • Optic cup (embryology) — Transverse section of head of chick embryo of forty eight hours’ incubation. (Margin of optic cup labeled at upper right.) …   Wikipedia

  • Optic vesicle — Transverse section of head of chick embryo of forty eight hours’ incubation. (Optic vesicle labeled at lower right.) …   Wikipedia

  • pit — 1. SYN: fovea. 2. One of the pinhead sized depressed scars following the pustule of acne, chickenpox, or smallpox (pockmark). 3. A sharp pointed depression in the enamel surface of a tooth, due to faulty or incomplete …   Medical dictionary

  • Otic pit — Section through the head of a human embryo, at the beginning of the fourth week, in the region of the hind brain. Latin fovea otica Gray s …   Wikipedia

  • Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …   Wikipedia

  • Quatermass and the Pit — Infobox Television show name = Quatermass and the Pit caption = The opening titles of Quatermass and the Pit . format = Science fiction thriller camera = Multi camera picture format = 405 line black and white runtime = Approx. 35 mins per episode …   Wikipedia

  • Coloboma — A congenital malformation (birth defect) in which part of the eye does not form due to failure of fusion of an embryonic feature called the intraocular fissure. The resultant coloboma can be likened to a missing slice from a pie that may involve… …   Medical dictionary

  • foseta papilar — Eng. Optic pit Alteración congénita de la papila consistente en hipoplasia y coloboma sectorial, generalmente temporal y unilateral. No afectan la visión excepto en aquellos casos que desarrollan despredimientos del neuroepitelio …   Diccionario de oftalmología

  • Infrared sensing in snakes — The ability to sense infrared thermal radiation evolved independently in several different families of snakes. Essentially, it allows these animals to “see” radiant heat at wavelengths between 5 and 30 μm to a degree of accuracy such that a blind …   Wikipedia


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