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).
Medical journals
In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the 'Philosophical Transactions of the Royal Society.' The other was the 'Journal des Scavants' (Scholars) which appeared in France the…
Read the definitionRandom terms
Show more- Band, chromosome One of the transverse bands produced on chromosomes by differential staining techniques. Depending on the…
- Brain swelling See: Cerebral edema
- Dendritic cell A special type of cell that is a key regulator of the immune system, acting as a professional…
- Adam A street name for 3-4 methylenedioxymethamphetamine. See: Ecstasy
- Carbon dioxide content A measure of the bicarbonate level in the blood. The normal carbon dioxide content may vary somewhat from one…
- Primitive neuroectodermal tumor One of a remarkable group of tumors that originate in cells from the primitive neural crest and share the…
- Polycystic kidney disease Polycystic kidney disease: One of the genetic disorders characterized by the development of innumerable cysts…
- Sixth cranial nerve The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…
- Peroxisome proliferator-activated receptor A member of the nuclear hormone receptor subfamily of transcription factors. Peroxisome…
- Perineal Of or relating to the perineum
- Randomized clinical trial A clinical trial in which the participants are assigned randomly (by chance alone) to different treatments…
- Abrin A phytotoxin (plant poison) found in the seeds of a plant called the rosary pea or jequirity pea. These seeds…