radiopacity

Thân thiện

A doctor examines a chest X-ray showing the radiopacity of a metal implant.

Definition

Noun: 1. The quality or state of being impenetrable to X-rays or other forms of radiation, thus appearing light or white on a radiograph: This is the property of a material that prevents radiation from passing through it, resulting in a clear, light image on diagnostic films like X-rays.

Usage

Radiopacity is a technical term used primarily in medical and scientific fields, especially in radiology and materials science. It describes how an object or substance appears on an image created by penetrating radiation. - It is the opposite of radiolucency. - It is often used to discuss the properties of contrast agents, implants, or anatomical structures.

Examples

• The surgeon confirmed the radiopacity of the bone fragment on the X-ray.
• Barium sulfate is used as a contrast medium due to its high radiopacity in gastrointestinal studies.
• The radiopacity of the metal screw made it easy to locate on the post-operative scan.

Advanced Usage

• Differential radiopacity: Refers to the varying degrees to which different tissues or materials block radiation, which is the fundamental principle for creating contrast in medical imaging.
  • The differential radiopacity of bone, soft tissue, and air allows for a detailed chest X-ray.

Variants and Related Words

• Radiopaque (adjective): Describing a substance that has the property of radiopacity.
  • The guidewire has a radiopaque tip for visibility under fluoroscopy.

Synonyms

• Radio-opacity
• Radiographic density (in a specific technical context)

Antonyms

• Radiolucency (the quality of being transparent to radiation, appearing dark on an image)

Học thuật

Noun

1. opacity to X-rays or other radiation

Từ đồng nghĩa

• radio-opacity