The upper dilated end of the nasolacrimal duct that is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla; it connects the lacrimal canaliculi, which drain tears from the eye's surface, and the nasolacrimal duct, which conveys this fluid into the nasal cavity; like the nasolacrimal duct, the sac is lined by stratified columnar epithelium with mucus-secreting goblet cells, and is surrounded by connective tissue. [ http://www.informatics.jax.org/accession/anna ]

Synonyms: saccus lacrimalis lachrymal sac lacrymal sac

This is just here as a test because I lose it

Term information

database cross reference
Subsets

uberon_slim, pheno_slim

depicted by

http://upload.wikimedia.org/wikipedia/commons/c/cf/Gray896.png

id

UBERON:0001351