hyperemia

Thân thiện

The patient's face showed signs of hyperemia after the brisk walk.

Definition

Noun: 1. An increased or excessive amount of blood in an organ or other part of the body: A physiological or pathological condition where there is an engorgement of blood vessels in a specific area, leading to redness and warmth.

Usage

• The term is used primarily in medical and biological contexts to describe a localized condition of increased blood flow.
• It can be a normal, temporary response (e.g., to exercise or blushing) or a sign of inflammation or injury.

Examples

• Medical Context:
  • The dentist noted hyperemia of the gums, indicating inflammation.
  • Hyperemia is a common sign of an active infection at the wound site.
  • The skin showed signs of hyperemia after the burn.

Advanced Usage

• Active Hyperemia: Refers to increased blood flow due to the dilation of arterioles, often in response to increased tissue activity (e.g., in muscles during exercise).
• Passive Hyperemia (Congestion): Refers to increased blood volume due to impaired venous outflow, often a sign of pathology (e.g., heart failure).

Variants and Related Words

• Hyperemic (adjective): Pertaining to or affected by hyperemia.
  • The tissue appeared hyperemic and swollen.

Synonyms

• Congestion (specifically for passive hyperemia)
• Engorgement

Antonyms

• Ischemia (deficient blood supply to a body part)
• Pallor (paleness, often from reduced blood flow)

Học thuật

Noun

1. increased blood in an organ or other body part

Từ đồng nghĩa

• hyperaemia