释义 |
DictionarySeepitoptic pit
op·tic pita congenital anomaly characterized by a focal depression of the temporal optic nerve head.optic pitA small indentation of the optic nerve head. It may sometimes release fluid below the retina, which can cause central retinal detachment. See also: pitpit, optic A depression on each side of the end of the neural ectoderm (or neural tube) of the embryo. The pit deepens to form the optic vesicle. Syn. optic sulcus.LegalSeePit |