Bronchopulmonary segments (mnemonic)

A useful mnemonic to remember the bronchopulmonary segments is:

  • A PALM Seed Makes Another Little Palm (right lung)
  • ASIA ALPS (left lung)

Mnemonic

'A PALM Seed Makes Another Little Palm'

  • right upper lobe
    • A: apical segment
    • P: posterior segment
    • A: anterior segment
  • middle lobe
    • L: lateral segment
    • M: medial segment
  • right lower lobe
    • S: superior segment
    • M: medial segment
    • A: anterior segment
    • L: lateral segment
    • P: posterior segment

'ASIA ALPS'

  • left upper lobe
    • A: apico-posterior segment
    • S: superior lingular segment
    • I: inferior lingular segment
    • A: anterior segment
  • left lower lobe
    • A: anteromedial segment
    • L: lateral segment
    • P: posterior segment
    • S: superior segment
Share article

Article information

rID: 44004
System: Chest
Section: Mnemonics
Synonyms or Alternate Spellings:

Support Radiopaedia and see fewer ads

Cases and figures

  • Drag
    Figure 1: left side
    Drag here to reorder.
  • Drag
    Figure 2: right side
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.