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).
Defibrillator storm
A condition that arises when a defibrillator implanted in the chest to right an arrhythmia (an abnormal heart rhythm) fires off frequently --sometimes several times a day or even more often -- each time with a jolt like a boxer's punch to…
Read the definitionRandom terms
Show more- Sternal rib One of the first 7 pairs of ribs. A rib is said to be a 'sternal' rib or a 'true' rib if it attaches to the…
- M. leprae Mycobacterium leprae
- Disease, Heberden >Angina pectoris, chest pain that is often severe and crushing, due to an inadequate supply of oxygen to the…
- C1 (cervical vertebra) C1 is the first cervical (neck) vertebra which is called the atlas. It supports the head. The atlas bone is…
- Nephrotoxic See: Metallomembrane endopeptidase.
- Lassitude Weakness, weariness, listlessness, exhaustion, lethargy. For example, the patient complained of lassitude…
- Arthritis, Lyme Inflammation of the joints associated with Lyme disease, a bacterial disease spread by ticks
- Asthma susceptibility gene One of the genes that predisposes a person to asthma. A new gene family that plays a major role in asthma…
- Retinal disease In medicine, called retinopathy. See: Retinopathy
- B.i.d. (on prescription) Seen on a prescription, b.i.d. means twice (two times) a day. It is an abbreviation for 'bis in die' which in…
- Peripheral Situated away from the center, as opposed to centrally located. For example, peripheral vision means the type…
- Autoimmune hemolytic anemia A condition in which the immune system attacks the red blood cells, resulting in fewer of these…