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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
PH
A measure of the acidity or alkalinity of a fluid. The pH of any fluid is the measure of its hydrogen ion (H+) concentration relative to that of a given standard solution. The pH may range from 0 to 14, where 0 is most acid, 14 most basic…
Read the definitionRandom terms
Show more- Trigger Something that either sets off a disease in people who are genetically predisposed to developing the disease…
- Internal carrier In the drug trade, an individual used to transport internally concealed illicit drugs. Also called a body…
- Cancer, testicular Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Theorem, Bayes See: Bayes theorem
- Rate, pulse The pulse rate is most often taken at the wrist. It measures the number of pulsations in the radial artery…
- Pneuma The life-giving principle. According to the school of medicine in ancient Alexandria, life was associated…
- Adenoids Masses of lymphoid tissue in the upper part of throat behind the nose.
- Strollerobics The supportive framework of an organ (or gland or other structure), usually composed of connective tissue…
- Meiotic drive Preferential selection during meiosis (germ cell production). In meiotic drive there is preferential…
- HSA 1. In the US, Health Saving Account.2. Human serum albumin
- Calcium deficiency A low level of calcium in the blood (hypocalcemia) which can make the nervous system highly irritable causing…
- Tracheoesophageal puncture A small opening made by a surgeon between the esophagus and the trachea. A valve keeps food out of the…