dacryocyst

Thân thiện

A doctor points to the dacryocyst on a medical diagram.

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 .

Học thuật

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

Từ đồng nghĩa

• lacrimal sac
• tear sac