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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Vaccination, hepatitis B
Hepatitis B: Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually required. All infants in the U.S. receive hep B vaccine. Two vaccines (Engerix-B, and Recombivax-HB) are available in the US. The…
Read the definitionRandom terms
Show more- Pacemaker, internal A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- LUQ Abbreviation for the left upper quadrant (quarter). The LUQ of the abdomen contains the spleen. (By contrast…
- Deafness-ichthyosis-keratitis syndrome See Keratitis-ichthyosis-deafness syndrome
- HAVRIX A vaccine against hepatitis A made of killed hepatitis A virus to stimulate the body's immune system to…
- Special pathogen A highly infectious agent that produces severe disease in humans. Special pathogens include the viruses that…
- Favism A condition characterized by hemolytic anemia (breakup of red blood cells) after eating fava beans (Vicia…
- Antihypertensive Something that reduces high blood pressure (hypertension)
- Thyroid insufficiency See: Hypothyroidism
- Skin test for immunity A method of evaluating whether a person has developed an immune response to certain infections. A substance…
- Stachybotrys An antigenic green-black mold that grows on wood, paper and cotton products provided there is constant…
- Olivary Pertaining to the olive, a structure in the brain
- Breech The buttocks