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).
HBV
Hepatitis B virus. A virus which primarily causes inflammation of the liver. The hepatitis B virus can be transmitted in several ways including blood transfusion, needle sticks, body piercing and tattooing using unsterile instruments…
Read the definitionRandom terms
Show more- Homologous chromosomes A pair of chromosomes containing the same gene sequences, each derived from one parent
- RWI Recreational water illness
- Medic Alert Originally,a bracelet that a person could wear to warn medical professionals in an emergency about a serious…
- Genome, Saccharomyces cerevisiae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Third cranial nerve
- Enterococcus Bacteria normally found in the feces of people and many animals. Two types of enterococci -- Enterococcus…
- Choanal stenosis Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The…
- Mycobacterium marinum Mycobacterium marinum: A bacterium found in both fresh and salt water that can cause disease in fish and…
- Hemoglobinuria The presence of free hemoglobin in the urine, an abnormal finding, that may make the urine look dark…
- Paraoxonase An enzyme associated with high-density lipoprotein (HDL) that is believed to protect against the oxidation of…
- Pasteur, Louis French chemist and biologist (1822-1895) who invented pasteurization, developed the germ theory, founded the…
- Dysphoric mania The concurrent presence of symptoms of depression and mania together. Also called Mixed bipolar state