MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Arteritis, Takayasu
Also called giant cell arteritis or cranial arteritis, this is a serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels affected by inflammation are the arteries (hence the name…
Read the definitionRandom terms
Show more- Olivary Pertaining to the olive, a structure in the brain
- Anatomy, gross Better known among medical students simply as 'gross', gross anatomy is the study of the form of structures…
- Rock (drug) A street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free base…
- Incontinence, urge A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate…
- Lean body mass The mass of the body minus the fat (storage lipid). There are a number of methods for determining the lean…
- Phenylalanine hydroxylase deficiency The inherited inability to process the amino acid phenylalanine normally, due to deficiency of the enzyme…
- Empirical Based on experience and observation, rather than systematic logic. Experienced physicians often use empirical…
- Tinea unguium >People with diabetes; >People with disease of the small blood vessels (peripheral vascular disease); and…
- Silver bullet Or magic bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term magic bullet…
- Hepatitis, toxic Hepatitis (inflammation of the liver) caused by an industrial chemical such as carbon tetrachloride or…
- TEE Transesophageal echocardiography. A diagnostic test which employs ultrasound waves to make images of the…
- Keratosis, solar Synonymous with actinic keratosis. See: Keratosis, actinic