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).
Adrenaline
A substance produced by the medulla (inside) of the adrenal gland, adrenaline (the official name in the British Pharmacopoeia) is synonymous with epinephrine. Technically speaking, adrenaline is a sympathomimetic catecholamine. It causes…
Read the definitionRandom terms
Show more- Tricuspid Having three flaps or cusps. The valve that is called the tricuspid valve is situated between the right…
- Decubitus Lying down. A decubitus ulcer is a bed sore, the consequence of lying in one position too long. The Latin…
- Gene mapping The process of determining the relative positions of genes on a chromosome (or another piece of DNA) and the…
- Respiratory disease, acute A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Viral infection Infection caused by the presence of a virus in the body. Depending on the virus and the person's state of…
- Dyspraxia of speech A developmental disability characterized by difficulty in muscle control, specifically of the muscles…
- Virus, human lymphotropic, type III Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Food, functional Functional foods are 'those foods that encompass potentially healthful products including any modified food…
- Rate, basal metabolic A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- Nervous system, central (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Chromosome band One of the transverse bands produced on chromosomes by differential staining techniques. Depending on the…
- Schizophrenia, childhood Schizophrenia, childhood: The onset of schizophrenia before adulthood. This condition is very rare in young…