optic vesicle
noun Date: circa 1885 an evagination of each lateral wall of the embryonic vertebrate forebrain from which the nervous structures of the eye develop

New Collegiate Dictionary. 2001.

Look at other dictionaries:

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

  • optic vesicle — n an evagination of each lateral wall of the embryonic vertebrate forebrain from which the nervous structures of the eye develop …   Medical dictionary

  • optic vesicle — (Order Cladocera): Protuberance of outer wall of head whose cavity encloses compound eye. Optic vesicle does not communicate with exterior via pore. (touching/not touching margin of head) [Stachowitsch, 1992]. (Order Diplostraca): Compound eye… …   Crustacea glossary

  • optic vesicle — noun : an outpouching of each lateral wall of the forebrain of a vertebrate embryo from which the essential nervous structures of the eye develop …   Useful english dictionary

  • 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 stalk — n the constricted part of the optic vesicle by which it remains continuous with the embryonic forebrain * * * a slender structure attaching the optic vesicle, and later the optic cup, to the brain wall in the embryo …   Medical dictionary

  • Vesicle — In dermatology, a vesicle is a small blister, as on the skin. Vesicles also occur on the mucous membranes, such as the buccal mucosa (the lining of the mouth). Vesicles are less than .5 centimeters in diameter.In anatomy, a vesicle is any small… …   Medical dictionary

  • Optic vesicles — Infobox Embryology Name = PAGENAME Latin = v. ophthalmica GraySubject = 224 GrayPage = 1001 Caption = Transverse section of head of chick embryo of forty eight hours’ incubation. (Optic vesicle labeled at lower right.) Caption2 = Human embryo… …   Wikipedia

  • Optic cup — The white, cup like area in the center of the optic disc. The optic disk is the circular area at the back of the inside of the eye where the optic nerve connects to the retina. * * * optic cup n the optic vesicle after invaginating to form a 2… …   Medical dictionary

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