| 释义 |
DictionarySeefoveafovea centralis retinae
fovea [fo´ve-ah] (pl. fo´veae) (L.) a small pit or depression often used alone to indicate the central fovea of the retina.central fovea of retina (fovea centra´lis re´tinae) a small pit in the center of the macula lutea, composed of slim elongated cones; it is the area of clearest vision, because here the layers of the retina are spread aside, permitting light to fall directly on the cones.fovea centralis retinaeIn the eye, the pit in the middle of the macula lutea that contains only cones. In contemporary usage it is simply called the foveola. See also: fovea |