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).
Vitamin B12
A vitamin important for the normal formation of red blood cells and the health of the nerve tissues. Undetected and untreated vitamin B12 deficiency can lead to anemia and permanent nerve and brain damage. Pernicious anemia is a blood…
Read the definitionRandom terms
Show more- Gastric Having to do with the stomach
- Dipeptide A peptide consisting of two amino acids
- Mental retardation, blindness, deafness, seizures Seizures: A disorder first reported in 1999 by Gustavson and colleagues as a newly recognized X-linked mental…
- Paraskevidekatriaphobia Fear of Friday the 13th. The word 'paraskevidekatriaphobia' was devised by Dr. Donald Dossey who told his…
- Premature contraction of the heart When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent…
- Chart, Snellen's The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Tinnitus Tinnitus: 'Ringing in the ears' or another noise that seems to originate in the ears or head. Tinnitus is due…
- Ague A fever (such as from malaria) that is marked by paroxysms of chills, fever, and sweating recurring regular…
- Fragile X tremor/ataxia syndrome Abbreviated FXTAS (pronounced fax-tass). A progressive neurological disorder that strikes men over age 50 and…
- Absinthe Once a major medical hazard, absinthe is an emerald-green liqueur flavored with extracts of the wormwood…
- Fear of worms (parasitic) Feverish.
- Chorioamnionitis Inflammation of the chorion and the amnion, the membranes that surround the fetus. Chorioamnionitis usually…