conus /co·nus/ (ko´nus) pl. co´ni [L.]
1. a cone or cone-shaped structure.
2. posterior staphyloma of the myopic eye.
conus arterio´sus infundibulum; the anterosuperior portion of the right ventricle of the heart, at the entrance to the pulmonary trunk.
conus medulla´ris the cone-shaped lower end of the spinal cord, at the level of the upper lumbar vertebrae.
conus termina´lis conus medullaris.
co´ni vasculo´si lobules of epididymis.
co·nus (k  n s)n. pl. co·ni (-n   ) 1. Cone. 2. Posterior staphyloma in myopic choroidopathy. |
Conus
a genus of shellfish in the family Conidae.
Conus catus
stings of these shellfish are lethal for humans.
conus
pl. coni [L.]
1. a cone or cone-shaped structure.
2. posterior staphyloma of the myopic eye.
conus arteriosus
the funnel-shaped portion of the right ventricle of the heart at the entrance to the pulmonary trunk.
conus medullaris
the cone-shaped caudal end of the spinal cord; found at the level of the upper lumbar vertebrae in the human spine, but more caudally in domestic animals.
crescent, myopic
A white area of sclera seen adjacent to the temporal side of the optic disc mainly in pathological myopia, but also sometimes in non-pathological myopia. The choroid and retinal pigment epithelium have atrophied in the crescent area, allowing the sclera to be seen. Syn. myopic conus; myopic scleral crescent.
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