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).
Ethmoid bone
An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the nose. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve
Read the definitionRandom terms
Show more- Fluoride A compound of fluorine with another element or radical. Fluoride compounds are present in drinking water and…
- Intraepithelial Within the layer of cells that forms the surface or lining of an organ
- Mycobacteria Plural of mycobacterium
- Shock, cardiogenic Shock caused by heart failure. The heart fails to pump blood effectively. For example, a heart attack (a…
- Syndrome, respiratory distress (RDS) Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by…
- Scan, computerized axial tomography Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Angiopathy Disease of the blood vessels (arteries, veins, and capillaries). There are two basic types of angiopathy…
- SAPHO syndrome SAPHO syndrome: SAPHO syndrome is an eponym for a condition which is characterized by a combination of: >…
- Nerve, fourth cranial The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Natriuresis The excretion of an excessively large amount of sodium in the urine. Natriuresis is similar to diuresis (the…
- Triglycerides The major form of fat. A triglyceride consists of three molecules of fatty acid combined with a molecule of…
- Familial cylindromatosis A genetic syndrome in which numerous benign tumors of skin adnexa (such as the sweat glands) develop…