Definition

1. Adjective:
   • Relating to or affecting a lobe: Pertaining to a lobe, which is a rounded or projecting part of an organ, especially in the brain, lungs, or liver. This term is primarily used in medical and anatomical contexts.

Usage

The adjective lobar is used to specify that something is connected to, located in, or characteristic of a lobe. It is most commonly found in medical terminology.

Examples

• Adjective:
  • The patient was diagnosed with lobar pneumonia. (This specifies that the pneumonia is concentrated in one or more lobes of the lung.)
  • A lobar hemorrhage is a type of stroke confined to a cerebral lobe.
  • The scan showed lobar atrophy in the frontal region of the brain.

Advanced Usage

• "Lobar" in compound medical terms: While lobar itself is an adjective, it frequently forms part of specific medical compound nouns. These should be understood as distinct terms.
  • lobar holoprosencephaly (a brain malformation where the lobes fail to separate properly).
  • lobar anatomy (the study of the structure of the lobes of an organ).

Variants and Related Words

• Lobe (noun): The rounded projection or division that lobar describes (e.g., , ).
• Lobular (adjective): Relating to a lobule, which is a small lobe or subdivision of a lobe.
• Lobectomy (noun): The surgical removal of a lobe of an organ.

Synonyms

• Lobate (adjective): Having lobes; lobed. (Note: Lobate describes the shape of having lobes, while lobar relates to the lobes themselves.)
• None are perfect synonyms, as lobar is a precise technical term.

Related Phrases

• Lobar pneumonia: A classic medical term for pneumonia that consolidates an entire lobe of the lung.
• Lobar distribution: A pattern of disease or anatomy that follows the boundaries of a lobe.

Adjective

1. of or relating to or affecting a lobe
   • lobar pneumonia