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).
Migraine headache
Migraine headache: The most common type of vascular headache involving abnormal sensitivity of arteries in the brain to various triggers resulting in rapid changes in the artery size due to spasm (constriction). Other arteries in the brain…
Read the definitionRandom terms
Show more- Androgen A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major…
- Amyotrophic lateral sclerosis 2 ALS2. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal recessive manner…
- Oligodendrocyte A type of cell in the central nervous system. The oligodendrocytes surround and insulate the long fibers (the…
- Sequence, Klippel-Feil See: Klippel-Feil sequence
- Dysphoric mania The concurrent presence of symptoms of depression and mania together. Also called Mixed bipolar state
- Disease, black lung See: Black lung disease
- Heatliness A characteristic of certain foods or other substances believed to cause emotional or physical reactions…
- Animal-to-human transplant Transplant: See Xenotransplantation
- Granuloma, fish bowl Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called…
- Bed bug A blood-sucking bug in the Cimex family that lives hidden in bedding or furniture, coming out at night to…
- Lice, pubic See: Pubic lice
- Pandiculation The act of stretching and yawning. (If you are in a public place, you might consider demonstrating the…