MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Prodrug
A precursor (forerunner) of a drug. A prodrug must undergo chemical conversion by metabolic processes before becoming an active pharmacological agent. For example, sulfasalazine is a prodrug. It is not active in its ingested form. It has…
Read the definitionRandom terms
Show more- Marrow The bone marrow
- Phagocytosis The process by which a cell engulfs particles such as bacteria, other microorganisms, aged red blood cells…
- Pylorus The outlet of the stomach.
- Coxsackie virus Coxsackie virus: See: Coxsackievirus.
- Human gene map The locations of the human genes. The location of each gene is called a locus (plural: loci). The total…
- Legg-Calve-Perthes disease A hip disorder in children due to interruption of the blood supply to the head of the femur (the ball in the…
- Introitus, facial canal In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Snort Take in a drug by inhalation. For example, snorting cocaine is inhaling cocaine powder through the nose where…
- Incontinence, rectal Inability to hold feces in the rectum due to failure of voluntary control over the anal sphincters with…
- Klippel-Feil deformity See: Klippel-Feil sequence
- Transplant, renal Replacement of a diseased, damaged, or missing kidney with a donor kidney. Also called a kidney transplant…
- Radiology The branch of medicine that uses ionizing and nonionizing radiation for the diagnosis and treatment of…