Definition of Lacrimal sac

1. Noun. 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.

Exact synonyms: Dacryocyst, Tear Sac
Group relationships: Lacrimal Apparatus
Generic synonyms: Cyst, Vesicle

Definition of Lacrimal sac

1. Noun. The upper dilated end of the tear duct ¹

¹ Source:

Medical Definition of Lacrimal sac

1. The upper portion of the nasolacrimal duct into which empty the two lacrimal canaliculi; empty. Synonym: saccus lacrimalis, dacryocyst, sacculus lacrimalis, tear sac. (05 Mar 2000)

Lacrimal Sac Pictures

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Lexicographical Neighbors of Lacrimal Sac

lacrimal gland enlargement
lacrimal glands
lacrimal groove
lacrimal hamulus
lacrimal lake
lacrimal lakes
lacrimal margin of maxilla
lacrimal nerve
lacrimal notch
lacrimal opening
lacrimal papilla
lacrimal part of orbicularis oculi muscle
lacrimal process
lacrimal punctum
lacrimal reflex
lacrimal sac (current term)
lacrimal sacs
lacrimal secretion
lacrimal vein
lacrimo-gustatory reflex
lacrimoconchal suture
lacrimomaxillary suture

Literary usage of Lacrimal sac

Below you will find example usage of this term as found in modern and/or classical literature:

1. Diseases of the eye by George Edmund De Schweinitz (1916)
"Tuberculosis of the lacrimal sac is of not infrequent occurrence. ... The lacrimal sac is a reservoir for the fluid secreted by the conjunctiva, ..."

2. Transactions of the American Ophthalmological Society Annual Meeting by American Ophthalmological Society (1915)
"POLYPOIDAL FORMATION IN THE lacrimal sac. FREDERICK TOOKE, MD, Montreal, Canada. Polyps of the lacrimal sac are seldom met with if we are to accept the ..."

3. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"passed through the puncta into the lacrimal ducts and along the ducts into the lacrimal sac (Fig. 64). Saccus Lacrimalis.—The lacrimal sac is the blind ..."

4. Anatomy, Descriptive and Applied by Henry Gray (1913)
"The lacrimal sac is the upper dilated end of the nasolacrimal duct, ... The lacrimal sac consists of a fibrous elastic coat, lined internally by mucous ..."

5. Manual of Practical Anatomy by Daniel John Cunningham (1921)
"The lacrimal sac is the blind upper end of a canal which extends from the orbit to the inferior meatus of the nose. It is lodged in the fossa lacrimalis in ..."

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