Definition

Noun: An intradermal injection is a medical procedure where a small amount of substance is administered into the dermis, the layer of skin just below the epidermis. This method is used for diagnostic tests (like tuberculin skin tests) or certain vaccinations.

Usage

This term is used specifically in medical and healthcare contexts to describe a precise injection technique. - The primary purpose of an intradermal injection is often diagnostic or for administering allergens or vaccines that require a localized immune response visible on the skin. - It is characterized by creating a small, raised bump (a wheal) on the skin's surface.

Examples

• The nurse administered an intradermal injection for the allergy test.
• A tuberculin skin test requires an intradermal injection of purified protein derivative (PPD).
• The intradermal injection technique uses a short needle inserted at a shallow angle.

Advanced Usage

• Intradermal injections are contrasted with subcutaneous (under the skin) and intramuscular (into the muscle) injections based on depth and purpose.
• Research into intradermal injection methods for vaccine delivery aims to use smaller doses effectively by targeting the skin's immune cells.

Variants and Related Words

• Intradermal (adjective): Relating to or situated within the layers of the skin.
  • Example: The patient received an intradermal test.
• Intracutaneous (adjective): A synonym for intradermal.
• Injection (noun): The general act of introducing a substance into the body with a syringe.

Synonyms

• Intracutaneous injection
• Dermal injection

Related Phrases/Concepts

• Mantoux test: A specific diagnostic procedure that uses an intradermal injection.
• Wheal: The small, raised area on the skin that forms after a correct intradermal injection.
• Skin test: A general term for diagnostic tests often performed via intradermal injection.

Noun

1. an injection into the skin