loading...| Preferred Name | lesser sac | |
| Synonyms |
omental bursa bursa omentalis |
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| Definitions |
The lesser sac, also known as the omental bursa, is the cavity in the abdomen that is formed by the lesser and greater omentum. Usually found in mammals, it is connected with the greater sac via the epiploic foramen (also known as the Foramen of Winslow). [WP,unvetted]. |
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| ID |
http://purl.obolibrary.org/obo/UBERON_0001341 |
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| database_cross_reference |
UMLS:C0230212 EHDAA2:0001296 Wikipedia:Lesser_sac EMAPA:16889 NCIT:C81014 EHDAA2:0004554 VHOG:0000458 EHDAA:2335 FMA:19800 MA:0000445 |
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| definition |
The lesser sac, also known as the omental bursa, is the cavity in the abdomen that is formed by the lesser and greater omentum. Usually found in mammals, it is connected with the greater sac via the epiploic foramen (also known as the Foramen of Winslow). [WP,unvetted]. |
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| depiction |
http://upload.wikimedia.org/wikipedia/commons/c/c5/Peritoneum.svg |
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| development_notes |
The lesser sac is embryologically formed from an infolding of the greater omentum. The open end of the infolding, known as the epiploic foramen, is usually proximal to the stomach |
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| external_definition |
The lesser sac of the peritoneum. Part of the peritoneal cavity behind the liver, lesser omentum and stomach. It lies across the transverse mesocolon and extends into the greater omentum. [Dorian_AF, Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier][VHOG] |
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| external_ontology_notes |
classified as a cavity in EHDAA2, so this truly corresponds to FMA 'Cavity of lesser sac' - we hedge for now; todo - treat same as greater sac |
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| has_exact_synonym |
omental bursa bursa omentalis |
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| has_obo_namespace |
uberon |
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| id |
UBERON:0001341 |
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| in_subset | ||
| label |
lesser sac |
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| located in | ||
| notation |
UBERON:0001341 |
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| part_of | ||
| prefLabel |
lesser sac |
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| taxon_notes |
In mammals, it is not uncommon for the lesser sac to contain considerable amounts of fat. In human anatomy, the wall of the stomach, pancreas and splenic artery are a part of the wall of the lesser sac |
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| treeView | ||
| subClassOf |