...It is formed bythe expansion of the optic nerve on the inner surface of the choroid, and, likethat coat, it is bell-shaped... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...—When the optic nerve is not lacerated and theretractor muscles at the back of the eye are intact, an attempt at reductionisadvisable...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Fenestrate membrane: of the compound eye is at the baseof the ommatidia, at their junction with the optic nerve; seeretina...
John. B. Smith 「Explanation of Terms Used in Entomology」
...—The frontal is almost three times aslong as it is wide; it is flat above with an emarginate dorsolateral margin thatforms the upper limit of the optic capsule...
John Wellman 「A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)」
...Ventrally the frontal is concaveand forms the median limits of the optic cavity...
John Wellman 「A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)」
...Thebasisphenoid, which is fused with the parasphenoid, also forms a small partof the posteroventral margin of the optic foramen...
John Wellman 「A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)」
...From the second vesicle, theintermediate brain (z), originate especially the optic thalami, theother parts that surround the third cerebral ventricle, and the infundibulumand pineal gland...
Ernst Haeckel 「The Evolution of Man」
...Investigation of the cause of that indistinctness of vision which hasbeen ascribed to the smallness of the optic pencil...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...The olfactory nerves are small, and so are the optic nerves; but the fifth pair, which supply the muscles of the face, are uncommonly large...
David Collins 「An Account of the English Colony in New South Wales, Vol. 2」
便利！手書き漢字入力検索