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).
HT1A
See: 5-HT1A
Read the definitionRandom terms
Show more- Amyotrophic lateral sclerosis 4 ALS4. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) with no bulbar involvement, inherited in…
- CD8+ T cell See: Cytotoxic T-lymphocyte
- Catheter A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs…
- Benzene A sweet smelling, highly toxic hydrocarbon. Long-term exposure to benzene is known to cause anemia and…
- MDS Myelodysplastic syndrome, or myelodysplastic syndromes
- Angiotensin A family of peptides (smaller than proteins) that act as vasoconstrictors to narrow blood vessels
- Syndrome, Hermansky-Pudlak (HPS) See: Hermansky-Pudlak syndrome
- Pachymeninges The dura. From pachy- (thick) + -meninges (membranes). The singular is pachymeninx
- Mixed connective tissue disease Mixed connective tissue disease: A mixture of three diseases of connective tissue (the framework of the cells…
- Extracranial Outside the cranium, the bony dome that houses and protects the brain. As opposed to intracranial, inside the…
- Quaque (on prescription) If a medicine is to be taken every so- many hours, it is written 'q_h'; the 'q' standing for the Latin word…
- Aerophobia An abnormal and persistent fear of flying. Sufferers experience severe anxiety even though they usually…