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).
Phocomelia
A congenital malformation (birth defect) in which the hands and feet are attached to abbreviated arms and legs. The word phocomelia combines phoco- (seal) and melia (limb) to designate a limb like a seal's flipper, one consequence of…
Read the definitionRandom terms
Show more- Naproxen Naproxen: A non-steroidal anti-inflammatory drug (NSAID) used for the management of mild to moderate pain…
- YAC YAC stands for yeast artificial chromosome, a vector (carrier) created and used in the laboratory to clone…
- Disease, polycystic ovarian Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Anastrozole An oral antiestrogen. Anastrozole inhibits the enzyme aromatase in the adrenal glands that produces the…
- Reflux, esophageal A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Hypnic headache A relatively rare form of headache disorder in which the patient is awakened from sleep nightly, usually…
- Fear of nudity An abnormal and persistent fear of nudity is called gymnophobia. Sufferers of this phobia experience undue…
- Fear of thunder An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Test, radionucleide stress Stress: This procedure involves injecting a radioactive isotope (typically thallium or cardiolyte) into the…
- ASCUS An acronym for Atypical Squamous Cells of Undetermined Significance. This term is used in the Bethesda System…
- Cancer, cervix See: Cervical cancer
- Barium solution A liquid containing barium sulfate. The barium is radioopaque -- it shows up on x-rays. The barium outlines…