target organ

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target organ

A doctor points to the target organ on a medical diagram.

Definition

Noun: - The specific organ intended to receive the primary effect of a treatment or substance: In medical contexts, particularly radiology and pharmacology, a "target organ" is the particular organ or tissue that is the intended destination for a therapeutic agent, such as a radioactive substance or drug, to exert its desired effect.

Usage
  • The term is primarily used in specialized medical and scientific writing to describe the focus of a therapeutic intervention.
  • It is often discussed in relation to drug delivery, radiation therapy, and toxicology.
Examples
  • Noun:
    • The liver is the target organ for this new hepatitis medication.
    • In the treatment plan, the radiologist identified the tumor as the target organ for the radioactive seeds.
    • Researchers study how a toxin travels to its target organ.
Advanced Usage
  • "Primary target organ": Emphasizes the main organ affected when a substance can impact multiple sites.
    • While the drug affects several systems, the kidney is the primary target organ.
  • Used in risk assessment to describe the organ most susceptible to damage from a chemical exposure.
    • Safety data sheets list the lungs as the target organ for this industrial chemical.
Variants and Related Words
  • Target tissue (n): A more general term that can refer to a specific tissue type rather than a whole organ as the intended site of action.
  • Organotropism (n): The affinity of a substance (like a drug, virus, or toxin) for a particular organ.
Synonyms
  • Intended site: A more general phrase for the planned location of an effect.
  • Site of action: A term used in pharmacology for the location where a drug produces its effect.
Related Phrases
  • Target organ toxicity: Refers to the specific adverse effects a substance has on its intended organ.
    • The study focused on the compound's potential for liver target organ toxicity.
  • Critical target organ: The organ whose damage would be most detrimental to health in a toxicological assessment.
target organ

A doctor points to the target organ on a medical diagram.

Noun
  1. (radiology) organ intended to receive the therapeutic dose of a radioactive substance