Lacrimal duct meaning

The lacrimal duct is a passageway that drains tears from the eye into the nasal cavity.


Lacrimal duct definitions

Word backwards lamircal tcud
Part of speech The word "lacrimal duct" is a noun.
Syllabic division lac-ri-mal duct
Plural The plural of the word lacrimal duct is lacrimal ducts.
Total letters 12
Vogais (3) a,i,u
Consonants (6) l,c,r,m,d,t

When it comes to the anatomy of the eye, the lacrimal duct is a crucial component. Also known as the tear duct, this structure plays a vital role in the production, distribution, and drainage of tears. Tears are essential for maintaining the health and lubrication of the eyes, as well as for expressing emotions and clearing irritants from the eyes.

Structure and Function

The lacrimal duct system consists of several key parts, including the lacrimal gland, which produces tears, and the ducts that carry tears from the gland to the surface of the eye. Tears flow across the surface of the eye and drain into small openings in the corner of the eye near the nose, known as puncta. From there, tears travel through the lacrimal canaliculi and into the lacrimal sac before ultimately draining into the nasal cavity.

Lacrimal Gland

The lacrimal gland is responsible for producing the watery component of tears. This gland is located above the outer corner of the eye and releases tears into the conjunctival sac, where they spread across the surface of the eye with each blink.

Drainage System

The drainage system of the lacrimal duct is crucial for maintaining the proper balance of tears in the eye. If the drainage system is blocked or not functioning correctly, excess tears can accumulate on the surface of the eye, leading to irritation, infection, or vision problems. Common issues with the lacrimal duct system include blocked tear ducts or infections of the tear drainage system.

Overall, the lacrimal duct plays a vital role in maintaining the health and function of the eyes. Without this essential system, tears would not be able to properly lubricate the eyes, leading to discomfort, dryness, and potential long-term damage. Understanding the structure and function of the lacrimal duct can help individuals appreciate the complex mechanisms that keep their eyes healthy and functioning optimally.


Lacrimal duct Examples

  1. The lacrimal duct is responsible for draining tears from the eyes.
  2. Obstruction of the lacrimal duct can cause excessive tearing or watery eyes.
  3. Dacryocystitis is an infection of the lacrimal duct that can cause pain and swelling near the inner corner of the eye.
  4. Sometimes a probe may be used to clear a blockage in the lacrimal duct.
  5. Tears produced by the lacrimal gland flow through the lacrimal duct and eventually drain into the nose.
  6. Inflammation of the lacrimal duct can lead to symptoms such as redness, swelling, and discharge from the eyes.
  7. Problems with the lacrimal duct can result in a condition known as epiphora, where tears overflow onto the cheeks.
  8. The lacrimal duct system plays a crucial role in maintaining the moisture and health of the eyes.
  9. Treatment for lacrimal duct obstructions may involve surgery to open up the blocked passageway.
  10. Congenital abnormalities can sometimes affect the development or function of the lacrimal duct.


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  • Updated 24/03/2024 - 23:51:55