Secondary lobar bronchi

Last revised by Phillip Marsh on 24 Apr 2018

The secondary lobar bronchi or just lobar bronchi are the first subdivision of the main (or primary) bronchi. Like the primary and tertiary bronchi, they are conducting airways that are lined by cartilage rings.

The left main bronchus gives rise to 2 secondary bronchi:

The right main bronchus gives rise to 3 secondary bronchi:

The bronchus intermedius is considered a continuation of the right main bronchus, hence a primary bronchus.

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