MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Arrhythmias, rapid
Abnormally rapid heart rhythms, medically termed tachycardia
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Show more- Genoplasty A technology that uses the repair mechanisms normally present in cells to repair gene defects. In genoplasty…
- Globus minor The globus minor is the tail of the epididymis, a cordlike structure just behind the testis. The globus major…
- Cervix The cervix is the lower, narrow part of the uterus (womb). The uterus, a hollow, pear-shaped organ, is…
- MAO inhibitor Monoamine oxidase inhibitor. One of a potent class of medications used to treat depression.
- Bather's eruption An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- UNESCO Acronym for the United Nations Educational, Scientific, and Cultural Organization
- Titer The degree of dilution of a substance such as an antibody, reflecting the strength of the solution. The…
- Post-polio muscular atrophy (PPMA) Belated muscle wasting that occurs as part of the post-polio syndrome (PPS), a constellation of symptoms and…
- Hyaline membrane disease A respiratory disease of the newborn, especially the premature infant, in which a membrane composed of…
- Polyuria The excessive passage of urine (at least 2.5 liters per day for an adult) resulting in profuse urination and…
- Pathogenicity island The genetic element, the 'island of evil', within the genome of an organism that is responsible for its…
- Stretch, quadriceps An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…