bronchial tree

• enPR: brŏng′kē-əl trē′
• (Received Pronunciation, New Zealand) IPA^(key): /ˈbɹɒŋ.kiː.əl ˈtɹiː/

  (older Received Pronunciation) IPA^(key): /ˈbɹɔːŋ.kiː.əl ˈtɹiː/

• (General American, Canada, cot–caught merger) IPA^(key): /ˈbɹɑŋ.ki.əl ˈtɹi/

  (General American, without the cot–caught merger) IPA^(key): /ˈbɹɔŋ.ki.əl ˈtɹi/

  (Canada, without the cot–caught merger) IPA^(key): /ˈbɹɒŋ.ki.əl ˈtɹi/

• (General Australian) IPA^(key): /ˈbɹɔŋ.kiː.əl ˈtɹiː/
• (Scotland) IPA^(key): /ˈbɹɔŋ.ki.əl ˈtɹi/
• (India) IPA^(key): /ˈbɾɔŋ.kiː.al ˈʈɾiː/

• Audio (Southern England):

  (file)

• Hyphenation: bron‧chi‧al tree

bronchial tree (plural bronchial trees or (obsolete) bronchial treen)

2. (anatomy) The bronchi together with their branches.^[1]
   • 1840, The Pathology and Diagnosis of Diseases of the Chest‎^[1], page 55:

     If we consider the structure of the bronchial tree, we shall perceive that natural breathing tends to prevent the accumulation of matters in its tubes, in spite of gravitation.

   • 1934 October 27, “Haemoptysis”, in The British Medical Journal‎^[2], page 764:

     Other methods of obtaining stasis which have been suggested, such as the introduction of adrenaline into the bronchial treen have not impressed us with their efficacy.

   • 2020 February 1, “The fractal geometry of bronchial trees differs by strain in mice”, in Journal of Applied Physiology‎^[3], volume 128, number 2, American Physiological Society, →DOI, pages 362–367:

     We explored a newly established repository providing high-resolution bronchial trees from the four most commonly studied laboratory mice (B6C3F1, BALB/c, C57BL/6[,] and CD-1).

• “bronchial tree” in TheFreeDictionary.com, Huntingdon Valley, Pa.: Farlex, Inc., 2003–2025, retrieved 18 September 2025.