macule

Thân thiện

A small macule is visible on the child's forearm.

Definition

1. Noun:
   • A macule is a flat, distinct, discolored area of skin. It is a type of skin lesion that is not raised above the skin surface and does not involve any change in the skin's thickness or texture. Macules are characterized solely by an alteration in color.

Usage

• The term is primarily used in medical and dermatological contexts to describe and diagnose skin conditions.
• It refers to a specific, observable change in the skin's appearance.
• A macule can be any color (e.g., red, brown, white, blue) and can vary in size.

Examples

• Noun:
  • The dermatologist identified the small, brown spot on his arm as a benign macule.
  • A common example of a red macule is a freckle (ephelis).
  • The rash presented as multiple erythematous macules across the patient's chest.

Advanced Usage

• "Macular" (adjective): Relating to or characterized by macules.
  • The patient exhibited a macular rash.
• The plural form is macules.
• In dermatology, a macule is distinguished from a papule (a small, raised, solid bump) and a patch (a macule larger than 1 cm in diameter).

Variants and Related Words

• Macula: In ophthalmology, this refers to a small, specialized area in the retina of the eye responsible for central vision. It is a different, though related, medical term.
• Maculopapular: An adjective describing a rash that contains both macules and papules.

Synonyms

• Spot: A general, non-medical term for a small, round, discolored area.
• Lesion: A broader medical term for any area of damaged or abnormally changed tissue.

Antonyms

• Papule: A small, solid, raised skin lesion.
• Nodule: A larger, solid, raised skin lesion.
• Plaque: A broad, raised, flat-topped area on the skin.

Học thuật

Noun

1. a patch of skin that is discolored but not usually elevated; caused by various diseases

Từ đồng nghĩa

• macula