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).
Spondylitis
Inflammation of one or more of the vertebrae of the spine. Diffuse inflammation of the spine is seen in the disease ankylosing spondylitis. Localized spondylitis is seen with infections of a certain area of the spine, such as in Pott's…
Read the definitionRandom terms
Show more- Radiation oncologist A specialist in the use of radiation therapy as a treatment for cancer
- Episcleritis Inflammation of the episclera, a thin membrane that covers the sclera (the white of the eye). Episcleritis is…
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…
- Oral rehydration salts ORS. A solution of glucose-based salt solution used in oral rehydration therapy. WHO and UNICEF recommend a…
- Migrainous neuralgia A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical…
- Julius Axelrod See: Axelrod, Julius
- Machine, CPM A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is…
- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- Q.s. If a medicine is to be taken every so- many hours, it is written "q_h"; the "q" standing for the Latin word…
- Polyp colon family history See: Colon cancer family history
- Fire ant sting A scourge, these red or yellow ants of small-to-medium size, originally from South America, have a severe…
- Optometrist A health care professional who is licensed to provide primary eye care services: > >to examine and diagnose…