The upper conducting airways of the lung; these airways arise from the terminus of the trachea. [ http://openisbn.com/search.php?q=0-397-51047-0&isbn=1/ http://www.informatics.jax.org/accession/cwg ]

Synonyms: bronchial trunk bronchi

This is just here as a test because I lose it

Term information

database cross reference
Subsets

uberon_slim, efo_slim, pheno_slim, organ_slim

RO 0002161

http://purl.obolibrary.org/obo/NCBITaxon_8507

UBPROP 0000001

Each of the two primary divisions of the trachea leading respectively into the right and the left lung. [Dorian_AF, Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier][VHOG]

UBPROP 0000007

bronchial

UBPROP 0000008

In humans, the main bronchus is histologically identical to trachea; 2ary and 3ary bronchi are not; epithelium becomes simple columnar, goblet cell number decreases, elastic fibers in lamina propria increases, distribution more uniform. Muscular layer between mucosa and submucosa appears. cartilage rings become discontinuous plates connected by fibrous connective tissue

depicted by

http://upload.wikimedia.org/wikipedia/commons/1/18/Respiratory_system_complete_numbered.svg

has related synonym

bronchial tissue

id

UBERON:0002185