Definition

Noun: A major anatomical division of a lung. In humans, the right lung is divided into three such sections (upper, middle, and lower), while the left lung is divided into two (upper and lower). Each lobe is a separate, functionally distinct unit, separated from the others by fissures.

Usage

The term is used in medical, anatomical, and biological contexts to specify a particular section of a lung. - The infection was localized to the lower lobe of the lung. - Surgeons removed the diseased lobe of the lung. - Each lobe of the lung is supplied by its own bronchial tube.

Advanced Usage

• Lobar: The adjective form, used to describe conditions or characteristics pertaining to a lobe.
  • He was diagnosed with lobar pneumonia.
• Multilobar: Involving more than one lobe.
  • The scan showed a multilobar infiltrate.

Variants and Related Words

• Lung lobe: A synonymous term.
• Pulmonary lobe: A more formal, clinical synonym.
• Lobectomy (n): The surgical removal of a lobe of an organ, such as a lung.
  • The patient underwent a lobectomy.

Synonyms

• Pulmonary lobe
• Lung lobe

Related Terms (Not Phrasal Verbs)

• Bronchopulmonary segment: A smaller subdivision within a lung lobe.
• Fissure: The deep groove that separates the lobes of the lung.

Noun

1. any of the three lobes of the right lung or the two lobes of the left lung