{"term":{"id":"15201","title":"injection","longtitle":"IUPAC Gold Book - injection","doi":"10.1351\/goldbook.15201","code":"15201","status":"current","mentioned":"<em>mentioned<\/em>: epidural, hypodermic, intra-arterial, intra-articular intrabursal, intracardial, intracutaneous, intradermal, intramuscular, intraspinal, intrathecal, intravascular, ophthalmic , subcutaneous","definitions":[{"id":1,"text":"Delivery of a generally sterile liquid medication into the body, or a vessel, tissue, or organ via syringe and needle.","notes":{"1":"Epidural injections are given into the epidural space of the spinal cord.","2":"Intra-articular injections are made into the synovial fluid, which lubricates the articulating ends of bones in a joint.","3":"Intrabursal injections are given into the bursae, which are small sacks of fluids between the tendons and bones.","4":"Intracardial injections are given directly into the heart in emergencies.","5":"Intracutaneous or intradermal injections are made into the skin between the inner layer (dermis) and the outer layer (epidermis).","6":"Intramuscular injections are made by inserting the needle across the skin, subcutaneous tissue, and membrane enclosing the muscle.","7":"Intraspinal injections are made into or around the spinal cord.","8":"Intravascular injections (intra-arterial and -venous) are made directly into the blood stream for rapid effect.","9":"Intrathecal injection is the introduction of material for diffusion throughout the subarachnoid space by means of lumbar puncture.","10":"Ophthalmic injections include a variety of sites within the eye.","11":"Subcutaneous or hypodermic injections are made under the skin into the subcutaneous tissue.","12":"The same formulation cannot be used for all routes."},"sources":["PAC, 2009, 81, 971. 'Glossary of terms related to pharmaceutics (IUPAC Recommendations 2009)' on page 988 (https:\/\/doi.org\/10.1351\/PAC-REC-04-10-14)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/15201\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/15201\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/15201\/plain"},"citation":"Citation: 'injection' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.15201","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-05-11T03:07:47+00:00"}}