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lower respiratory tract

derived from the developing foregut and consists of the trachea, bronchi (primary, secondary and tertiary), bronchioles (including terminal and respiratory), and lungs (including alveoli). It also sometimes includes the larynx
Class type of: subdivision of respiratory system, particular anatomical entity Q2859739

Facts

8 properties
Instance of
organism subdivision type, class of anatomical entity[2]
Subclass of
subdivision of respiratory system, particular anatomical entity[3][4]
Part of
respiratory tract[5]
Connects with
upper respiratory tract[12]
Has part(s)
trachea, bronchus, bronchiole, respiratory bronchiole[7][8][9][10]
Has parts
trachea, bronchus, bronchiole, respiratory bronchiole
NCI Thesaurus ID
C33012[11]
Opposite of
upper respiratory tract[6]
🏷️ Also known as
en lower airway en lower airways en lower respiratory tract ar سبيل تنفسي سفلي cs dolní dýchací cesty cs dolní cesty dýchací es vías respiratorias inferiores es vías aéreas bajas es tracto respiratorio inferior es vias aereas bajas es vias aereas inferiores es vías aéreas inferiores es vias respiratorias inferiores fa دستگاه تنفسی تحتانی fr arbre bronchique fr voies respiratoires inférieures he דרכי נשימה תחתונות hu alsó légút it tratto respiratorio inferiore it vie aeree inferiori
🔖 Identifiers · 9
Foundational Model of Anatomy ID
45662
Freebase ID
/m/047gm34
ICD-11 ID (Foundation)
909890232
ICD-11 ID (MMS)
XA07R2
Interlingual Index ID
i65887
NL CR AUT ID
ph165968
SNOMED CT ID
281488008
UBERON ID
0001558
UMLS CUI
C0458579

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🔗 Connections
Has part(s) 3
trachea, bronchus, bronchiole
Has these parts 3
trachea, bronchus, bronchiole
← Expressed in 2
LIM2, OR51I1
Belongs to 1
respiratory tract
Connects with 1
upper respiratory tract
Opposite of 1
upper respiratory tract
Part of 1
respiratory tract
← Afflicts 1
lower respiratory tract infection
← Anatomical location 1
pulmonary auscultation
← Connects with 1
upper respiratory tract
← Opposite of 1
upper respiratory tract
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Summary

lower respiratory tract is an organism subdivision type[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Foundational Model of Anatomy. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). lower respiratory tract. Retrieved November 5, 2026, from https://4ort.xyz/entity/lower-respiratory-tract
MLA “lower respiratory tract.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/lower-respiratory-tract.
BibTeX @misc{4ortxyz_lower-respiratory-tract_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{lower respiratory tract}}, year = {2026}, url = {https://4ort.xyz/entity/lower-respiratory-tract}, note = {Accessed: 2026-11-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): lower respiratory tract — https://4ort.xyz/entity/lower-respiratory-tract (retrieved 2026-11-05)

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