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).
Passive-aggressive
Pertaining to behavior in which feelings of aggression are expressed in passive ways as, for example, by stubbornness, sullenness, procrastination, or intentional inefficiency. The term passive-aggressive behavior was coined by military…
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Show more- Syndromic Part of a syndrome. Hearing loss, for instance, can be syndromic or nonsyndromic
- Homogentisate 1,2-dioxygenase The enzyme encoded in the HGD gene. Mutation of HGD causes the genetic disease alkaptonuria. Homogentisate…
- Pectoral muscles Muscles of the 'anterior chest' (the front of the chest). Familiarly called the pecs. The Latin 'pectus'…
- Blood group, ABO The major human blood group system. The ABO type of a person depends upon the presence or absence of two…
- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…
- Electromyogram Electromyogram: A test used to record the electrical activity of muscles. When muscles are active, they…
- Buboes The plural of 'bubo'
- Conception 1. The union of the sperm and the ovum. Synonymous with fertilization.2. The onset of pregnancy, marked by…
- Meningitis vaccine This term usually refers to a vaccine used to prevent meningococcal meningitis, an inflammation of the…
- Southern tick-associated rash illness A disease characterized by a rash like that in Lyme disease, recognized in the southeastern and south-central…
- Chiron In Greek mythology, the centaur who, wounded by Hercules, invented medicine in order to heal himself. Chiron…
- Parkinson disease genetics See: Parkinson disease gene