excavation of optic disk
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excavation — 1. A natural cavity, pouch, or recess; a sunken or depressed area. SYN: depression (2) [TA], excavatio. 2. A cavity formed artificially or as the result of a pathologic process. atrophic e. an exaggeration of the … Medical dictionary
Optic disc pit — An optic disc pit is a congenital excavation (or regional depression) of the optic nerve head resulting from a malformation during development of the eye. Optic pits are important because they are associated with posterior vitreous detachments… … Wikipedia
Coloboma of optic nerve — Morning Glory syndrome Classification and external resources OMIM 120430 Coloboma of optic nerve or Morning Glory syndrome is a rare defect of the optic nerve that causes moderate to severe blindness. It is extremely rare, occurring in only one… … Wikipedia
depression — 1. Reduction of the level of functioning. 2. SYN: excavation (1). 3. Displacement of a part downward or inward. 4. A temporary mental state or chronic mental disorder characterized by feelings of sadness, loneliness, despair, low self esteem, and … Medical dictionary
excavatio disci — [TA] depression of optic disk: the depression situated in the center of the optic disk; called also optic or physiologic cup and excavation of optic disk … Medical dictionary
excavación del disco óptico — Eng. Excavation of optic disk Ver excavación de la papila … Diccionario de oftalmología
Coloboma — A congenital malformation (birth defect) in which part of the eye does not form due to failure of fusion of an embryonic feature called the intraocular fissure. The resultant coloboma can be likened to a missing slice from a pie that may involve… … Medical dictionary
Glaucoma — An eye condition in which the fluid pressure inside the eyes rises because of slowed fluid drainage from the eye. Untreated, it may damage the optic nerve and other parts of the eye, causing vision loss or even blindness. Two million Americans… … Medical dictionary
cup — 1. An excavated or hallowed structure, either anatomic or pathologic. SYN: poculum. 2. SYN: cupping glass. [A.S. cuppe] Diogenes c. SYN: c. of palm. dry c. a cupping glass formerly applied to the unbroken skin to draw blood to the … Medical dictionary
excavatio — SYN: excavation (1). [L. fr. ex cavo, pp. cavatus, to hollow out, fr. ex, out, + cavus, hollow] e. disci [TA] SYN: depression of optic disk. e. papillae SYN: depression of optic disk. e. rectouterina [TA] SYN: rectouterine pouch. e.… … Medical dictionary
