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).
Bioactive
Having an effect upon a living organism, tissue, or cell. Biologically active. Antibiotic, enzymes, and vitamins are all bioactive substances
Read the definitionRandom terms
Show more- Ascorbic acid Vitamin C, an essential nutrient found mainly in fruits and vegetables. The body requires it to form and…
- Dilating The widening and opening of the cervix caused by uterine contractions
- Cell, totipotent A cell with the capacity to form an entire organism. Human development begins when a sperm fertilizes an egg…
- Pouch of Douglas >Culdoscopy, the introduction of an endoscope through the vagina into the cul-de-sac; >Culdoscope, the…
- Anatripsis The use of friction as a treatment modality for a medical condition. Anatripsis may or may not also involve…
- Migraine, common See: Common migraine
- Charley horse A cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from…
- Rate, sedimentation A blood test that detects and monitors inflammation in the body. It measures the rate at which red blood…
- Plague, Great The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Nerve, facial The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming…
- Stem cell, spermatogonial See: Sperm stem cell
- Stomach flu So-called 'stomach flu' actually has nothing to do with the influenza (flu) virus. This term is sometimes…