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).
Catalysis
The process by which a substance speeds up a chemical reaction without being consumed or altered in the process. Substances that can accomplish this remarkable feat are termed catalysts and are of immense importance in chemistry and…
Read the definitionRandom terms
Show more- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- Inheritance, holandric Inheritance of genes on the Y chromosome. Since only males normally have a Y chromosome, Y-linked genes can…
- Reperfusion The restoration of blood flow to an organ or tissue. After a heart attack, an immediate goal is to quickly…
- PI In medecine, not a private investigator but a principal investigator, the person who directs a research…
- Vaccination, serum hepatitis Serum hepatitis is hepatitis B (hep B). Hep B vaccine gives prolonged protection, but 3 shots over a half…
- Empirical midwife A midwife who has entered the profession as an apprentice to a practicing midwife rather than attending a…
- Poisoning, carbon monoxide See: Carbon monoxide poisoning
- Dysostosis, cleidocranial >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- JCV JC virus
- Auditory acuity The clarity or clearness of hearing, a measure of how well a person hears. Auditory acuity is what is…
- Bisexual An individual who engages in both heterosexual and homosexual sexual relations. Bisexual can also refer to…
- Quadriceps stretch An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…