Definition

1. Noun:
   • A tear sac: The dacryocyst is a small, membranous sac located at the inner corner of each eye, which collects tears from the lacrimal ducts before they drain into the nasal cavity.

Usage

• The term is a specialized anatomical term used primarily in medical and biological contexts.
• It is used to describe the specific structure involved in the drainage of tears. An infection or inflammation of this sac is called dacryocystitis.

Examples

• Noun:
  • Blockage of the nasolacrimal duct can lead to an infection of the dacryocyst.
  • The surgeon carefully examined the patient's dacryocyst to assess the cause of the persistent tearing.

Advanced Usage

• "Dacryocystitis": This is the medical term for inflammation of the .
  • Acute dacryocystitis often presents with pain, redness, and swelling at the inner corner of the eye.

Variants and Related Words

• Dacryocystitis (n): Inflammation of the dacryocyst.
• Dacryocystorhinostomy (n): A surgical procedure to create a new tear drainage passage between the dacryocyst and the nose.
• Lacrimal sac: A common synonym for .

Synonyms

• Lacrimal sac: The most direct and commonly used synonym in medical terminology.
• Tear sac: A more general, descriptive term.

Related Phrases

• Nasolacrimal duct: The duct that carries tears from the into the nose.
• Lacrimal gland: The gland that produces tears, which then drain into the .

Noun

1. either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands