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Descriptor English: Jejunum
Descriptor Spanish: Yeyuno
Descriptor Portuguese: Jejuno
Descriptor French: Jéjunum
Entry term(s): Jejunums
Tree number(s): A03.556.124.684.500
A03.556.249.750
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D007583
Scope note: The middle portion of the SMALL INTESTINE, between DUODENUM and ILEUM. It represents about 2/5 of the remaining portion of the small intestine below duodenum.
Annotation: inflammation or jejunitis = JEJUNAL DISEASES (IM) + ENTERITIS (IM); jejuno-ileal bypass or shunt or jejuno-ileostomy in obesity: index under JEJUNOILEAL BYPASS (note XR ref)
Allowable Qualifiers: AB abnormalities
AH anatomy & histology
BS blood supply
CH chemistry
CY cytology
DE drug effects
DG diagnostic imaging
EM embryology
EN enzymology
GD growth & development
IM immunology
IN injuries
IR innervation
ME metabolism
MI microbiology
PA pathology
PH physiology
PP physiopathology
PS parasitology
RE radiation effects
SU surgery
TR transplantation
UL ultrastructure
VI virology
Related: Jejunostomy MeSH
DeCS ID: 7749
Unique ID: D007583
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2003/07/09
Jejunum - Preferred
Concept UI M0011844
Scope note The middle portion of the SMALL INTESTINE, between DUODENUM and ILEUM. It represents about 2/5 of the remaining portion of the small intestine below duodenum.
Preferred term Jejunum
Entry term(s) Jejunums



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