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).
Litmus test
1. A test to determine the acidity and alkalinity of a solution. See: Litmus. 2. Figuratively, any test in which a single factor is decisive
Read the definitionRandom terms
Show more- Care proxy, health A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Carcinoma, pancreatic See: Pancreatic cancer
- Autoimmune polyendocrinopathy Idiasis-ectodermal dystrophy (APECED): A genetic autoimmune disease with an extraordinary array of clinical…
- Pick disease Pick disease: A form of dementia characterized by a slowly progressive deterioration of social skills and…
- Herbal remedy A medication prepared from plants, including most of the world's traditional remedies for disease. Most…
- BRCA breast cancer gene Breast cancer gene: One of several genetic mutations linked to breast cancer and ovarian cancer. There is now…
- Aseptic necrosis Aseptic necrosis: Condition in which poor blood supply to an area of bone leads to bone death. Also called…
- Hematology The diagnosis, treatment, and prevention of diseases of the blood and bone marrow as well as of the…
- Dialectical behavioral therapy A mode of treatment designed for people with borderline personality disorder (BPD), particularly those with…
- Bursitis, knee Inflammation of a bursa of the knee joint. A bursa is a fluid-filled sac that functions as a gliding surface…
- Antidiuretic hormone (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Ultraviolet C One of the three types of invisible light rays (together with ultraviolet A and ultraviolet B) given off by…