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).
Hairball
A wad of swallowed hair. Hairballs can sometimes be found to cause blockage of the digestive system, especially at the exit of the stomach. Interestingly, in the Far East culture, hairballs are felt to have medicinal properties! Also…
Read the definitionRandom terms
Show more- FAS gene A gene that encodes one of several proteins important to apoptosis, the normal process through which cells…
- Familial breast cancer A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- Variolation The old practice of inoculating someone with the virus of smallpox to produce immunity to the disease. Lady…
- Lightening Not to be confused with a discharge of atmospheric electricity, lightening refers to the sensation that a…
- Shock, primary Sudden loss of blood pressure resulting in shock due to pain, fear, and other reactions experienced…
- Diabetic nephropathy The kidney disease associated with long-standing diabetes. Diabetic nephropathy is also called…
- HCFA The Health Care Finance Administration, the part of the U.S. Department of Health and Human Services (HHS)…
- Muscular atrophy, post-polio (PPMA) Late muscle wasting that occurs as part of the post-polio syndrome (PPS), a constellation of symptoms and…
- Neutropenia, severe congenital (SCN) Neutropenia, severe congenital (SCN): Children born with this condition lack neutrophils (a type of white…
- Infiltrating ductal carcinoma of the breast Breast: Infiltrating ductal carcinoma is one of several recognized specific patterns of cancer of the breast…
- BWS See: Beckwith-Wiedemann syndrome
- Subq Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…