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segmental bronchus

tertiary bronchus

The tertiary bronchi (also known as the segmental bronchi) arise from the secondary bronchi. The respiratory epithelium lining their lumen is surrounded by a layer of smooth muscle. This layer is composed of two ribbons of smooth muscle that spiral in opposite directions. The smooth muscle layer is surrounded by irregular plates of hyaline cartilage which help maintain the patency of the airway. Each of the tertiary bronchi serves a specific bronchopulmonary segment. There are 10 tertiary bronchi in the right lung, and eight in the left. The tertiary bronchi get smaller and divide into primary bronchioles. [WP,unvetted].

On this page
Typ Bone
Übergeordnete Struktur intrapulmonary bronchus
Lateinischer Name tertiary bronchus
FMA ID 7407

Frequently Asked Questions

What is the segmental bronchus?

The tertiary bronchi (also known as the segmental bronchi) arise from the secondary bronchi. The respiratory epithelium lining their lumen is surrounded by a layer of smooth muscle. This layer is composed of two ribbons of smooth muscle that spiral in opposite directions. The smooth muscle layer is

What is the Latin name for the segmental bronchus?

The Latin name for the segmental bronchus is tertiary bronchus.

References

  1. Foundational Model of Anatomy — FMA:7407 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0002184 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  3. Wikipedia — segmental bronchus Encyclopedia article (verified cross-reference)

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.