NASOLACRIMAL DUCT Meaning and
Definition
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The nasolacrimal duct is a small, narrow tube that serves as a drainage system for tears. It is a part of the eye anatomy and is located in the inner corner of each eye. The duct originates from the lacrimal sac, which is a pouch-like structure that collects tears produced by the lacrimal gland. It then continues downward and inward, traveling through the bony openings of the skull, specifically the lacrimal bone and the maxilla, before ending in the nasal cavity.
The primary function of the nasolacrimal duct is to drain tears from the eyes into the nasal cavity. Tears are continuously produced by the lacrimal gland and are responsible for lubricating and cleansing the surface of the eye. As tears accumulate, they drain into the nasolacrimal duct through a tiny opening called the lacrimal punctum. From there, tears flow through the duct and enter the nasal cavity, allowing for their disposal through the nostrils.
If the nasolacrimal duct becomes blocked or obstructed, it can lead to a condition called nasolacrimal duct obstruction or a "blocked tear duct." This can cause excessive tearing, recurrent eye infections, and discomfort around the eyes. Treatment for a blocked tear duct may include gentle massage, warm compresses, and in some cases, surgical intervention to clear the obstruction and restore normal tear drainage.
Common Misspellings for NASOLACRIMAL DUCT
- basolacrimal duct
- masolacrimal duct
- jasolacrimal duct
- hasolacrimal duct
- nzsolacrimal duct
- nssolacrimal duct
- nwsolacrimal duct
- nqsolacrimal duct
- naaolacrimal duct
- nazolacrimal duct
- naxolacrimal duct
- nadolacrimal duct
- naeolacrimal duct
- nawolacrimal duct
- nasilacrimal duct
- nasklacrimal duct
- nasllacrimal duct
- nasplacrimal duct
- nas0lacrimal duct
Etymology of NASOLACRIMAL DUCT
The word "nasolacrimal" is derived from two root words: "naso" and "lacrimal".
The term "nasal" or "naso" refers to the nose, as it comes from the Latin word "nasus" meaning "nose".
The term "lacrimal" refers to tears or tear ducts. It comes from the Latin word "lacrima" meaning "tear".
So, when combined, "nasolacrimal" refers to something related to the nose and tears, specifically indicating a connection between the nose and the passage of tears through the duct.
The word "duct" comes from the Latin word "ductus", meaning "a leading or conducting". In this context, it refers to a narrow tube or passage through which tears are conducted or drained.
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