INTRACUTANEOUS INJECTION Meaning and
Definition
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An intracutaneous injection refers to a medical procedure where a small amount of the medication or vaccine is injected shallowly into the skin. Also known as intradermal injection, it involves the delivery of the substance just below the surface layer of the skin, specifically within the dermis layer.
Typically, a specialized needle, known as a tuberculin syringe, is used for intracutaneous injections. This needle is very thin and short, allowing for precise and accurate administration of the medication. The medication is usually injected at a shallow angle, around 15 degrees, so that it forms a small blister-like bump known as a wheal. The size and appearance of the wheal are carefully observed to assess the response and determine if the injection was successful.
Intracutaneous injections are commonly used for various purposes, including diagnostic tests, such as tuberculin tests for tuberculosis, and allergy testing. These injections facilitate the identification of specific allergens by evaluating the skin's reaction to them.
One of the defining characteristics of intracutaneous injections is their slow absorption rate. Due to the dermis' relatively low blood supply, the medication is absorbed slowly into the bloodstream, resulting in a prolonged duration of action. This makes intracutaneous injections suitable for substances requiring a gradual and sustained release.
Overall, intracutaneous injections are a valuable technique in healthcare, allowing for precise administration of medications and facilitating diagnostic evaluations. They provide healthcare professionals with a reliable method to evaluate immune responses, diagnose certain diseases or conditions, and administer specific treatments requiring a slow and sustained release.
Common Misspellings for INTRACUTANEOUS INJECTION
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Etymology of INTRACUTANEOUS INJECTION
The word "intracutaneous" is derived from two elements: "intra" and "cutaneous". The prefix "intra-" comes from the Latin word "intra", meaning "within" or "inside". It is used to indicate something that is located or occurring inside or within a particular place or organ.The term "cutaneous" originates from the Latin word "cutis", meaning "skin". It is used to describe something related to or affecting the skin.Therefore, "intracutaneous" signifies an administration technique where a substance is injected within or into the skin.The word "injection" comes from the Latin word "injectus", which is the past participle of "injicere", meaning "to throw in" or "to introduce". In medical terminology, it refers to a method of introducing a substance, typically a liquid or a medication, into the body using a syringe.
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