LACRIMAL SAC

Pronunciation (US):

(GB):

 Dictionary entry overview: What does lacrimal sac mean? 

• LACRIMAL SAC (noun)
  The noun LACRIMAL SAC has 1 sense:

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

  Familiarity information: LACRIMAL SAC used as a noun is very rare.

 Dictionary entry details 

• LACRIMAL SAC (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting body parts

Synonyms:

dacryocyst; lacrimal sac; tear sac

Hypernyms ("lacrimal sac" is a kind of...):

cyst; vesicle (a small anatomically normal sac or bladderlike structure (especially one containing fluid))

Holonyms ("lacrimal sac" is a part of...):

lacrimal apparatus (the structures that secrete and drain tears from the eye)

 Context examples 

A congenital or acquired mucocele that develops in the lacrimal sac.

(Lacrimal Mucocele, NCI Thesaurus)

A tube-like structure that conveys tears from the lacrimal sac to the nasal cavity.

(Nasolacrimal Duct, NCI Thesaurus)

Obstruction of the lacrimal sac or nasolacrimal duct causing acute or chronic inflammation of the lacrimal sac (DACRYOCYSTITIS).

(Lacrimal Duct Obstruction, NLM, Medical Subject Headings)

Either of two ducts (superior and inferior) that originate at the puncta lacrimalia of the eye and terminate at the lacrimal sac.

(Lacrimal Canaliculus, NCI Thesaurus)

It includes the gland of Krause in the lacrimal sac and the gland of Wolfring on the inner surface of the upper eyelid.

(Accessory Lacrimal Gland, NCI Thesaurus)

Inflammation of the lacrimal sac.

(Dacryocystitis, NLM, Medical Subject Headings)