MACULA CRIBROSA Meaning and
Definition
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The term "macula cribrosa" refers to a specific anatomical structure within the eye, commonly known as the optic disc or optic nerve head. It is a small, circular area located in the posterior aspect of the eye, where the optic nerve exits the eyeball and connects to the brain.
The macula cribrosa is characterized by a unique arrangement of nerve fibers and blood vessels that form a mesh-like pattern. This pattern resembles a sieve or crib, hence the term "cribrosa." The role of this structure is to transmit visual information from the retina to the brain, allowing us to perceive and interpret what we see. The optic nerve fibers that pass through the macula cribrosa are responsible for relaying signals of light and visual stimuli to the brain for processing and interpretation.
One important feature of the macula cribrosa is its vulnerability to damage or deterioration. In certain eye conditions, such as glaucoma, increased fluid pressure within the eye can exert pressure on the optic nerve fibers as they pass through the macula cribrosa, leading to their damage or degeneration. This can result in vision loss or impairment.
In summary, the macula cribrosa is an essential anatomical structure in the eye that facilitates the transmission of visual information from the retina to the brain. Its distinctive sieve-like arrangement of nerve fibers and blood vessels allows for the efficient transfer of visual signals.
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One of three areas (inferior, media, and superior) on the wall of the vestibule of the labyrinth, marked by numerous foramina giving passage to nerve-filaments supplying portions of the membranous labyrinth; sometimes a fourth (m. cribrosa quarta) is described, giving passage to the cochlear nerve.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MACULA CRIBROSA
- nacula cribrosa
- kacula cribrosa
- jacula cribrosa
- mzcula cribrosa
- mscula cribrosa
- mwcula cribrosa
- mqcula cribrosa
- maxula cribrosa
- mavula cribrosa
- mafula cribrosa
- madula cribrosa
- macyla cribrosa
- machla cribrosa
- macjla cribrosa
- macila cribrosa
- mac8la cribrosa
- mac7la cribrosa
- macuka cribrosa
- macupa cribrosa
- macuoa cribrosa
Etymology of MACULA CRIBROSA
The term "macula cribrosa" is used in anatomy and medicine to refer to a perforated spot within the optic disc. It comes from Latin roots.
1. "Macula" is a Latin word meaning "spot" or "stain".
2. "Cribrosa" is derived from the Latin word "cribrosus", which means "perforated" or "sieve-like".
Therefore, "macula cribrosa" can be understood as a descriptive term referring to the sieve-like appearance of the perforated spot in the optic disc.
Similar spelling word for MACULA CRIBROSA
