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).
Ventilation
The exchange of air between the lungs and the atmosphere so that oxygen can be exchanged for carbon dioxide in the alveoli (the tiny air sacs in the lungs). In pulmonary medicine, a distinction is made between pulmonary and alveolar…
Read the definitionRandom terms
Show more- PTCA A winglike triangular membrane. Although a pterygium can be anywhere, including behind the knee, it commonly…
- Central retinal vein The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal…
- Vitamin K One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of…
- Intracerebral hematoma Bleeding within the brain. Diagnosis is usually by MRI or CAT scan. Treatment is by surgery
- Acrocephalosyndactyly An inherited disorder causing abnormalities of the skull and face and the hands and feet. In…
- Lenz microphthalmia syndrome A genetic disorder characterized by microphthalmia (small eye) or anopthalmia (no eye) associated with…
- Anencephaly A neural tube defect (NTD) that occurs when the cephalic (head) end of the neural tube fails to close…
- Tag, skin A small tag of skin that may have a stalk (a peduncle). Skin tags may appear on the skin almost anywhere…
- Mentum Medical term for the chin. From Latin. See: Chin
- DXA bone scan See: DXA
- IL-2 Interleukin-2
- Scooter injury An injury sustained on a scooter, a foot-operated board mounted tandemly on two wheels with an upright…