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).
Albumin
The main protein in human blood and the key to the regulation of the osmotic pressure of blood. Chemically, albumin is soluble in water, precipitated by acid, and coagulated by heat. Note that albumin is spelled with an 'i' while 'albumen'…
Read the definitionRandom terms
Show more- Medication 1. A drug or medicine. 2. The administration of a drug or medicine. (Note that 'medication' does not have the…
- Hippocratic Oath One of the oldest binding documents in history, the Oath written by Hippocrates is still held sacred by…
- Rickettsia A member of a group of microorganisms that (like viruses) require other living cells for growth but (like…
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…
- DSCR See: Down syndrome critical region
- Amastia A rare condition wherein the normal growth of the breast or nipple does not occur. Unilateral amastia (just…
- Angiotensin II receptor blocker A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate…
- Thorn test An early test for Addison's disease. The test is named for Dr. George W. Thorn who devised it. See: Thorn…
- Dyad The word 'dyad' comes from the Greek 'dyas' meaning the number two. In psychology, a dyad refers to a pair of…
- Disaster supplies kit Items stored in case of emergency, such as a prolonged power outage, earthquake, or flood. You and your…
- Goodpasture syndrome An autoimmune disease characterized by a combination of lung and kidney disease --specifically, pulmonary…
- Flu, avian See: Avian influenza