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).
Fievre boutonneuse
African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted fever, but less severe, with fever, a small ulcer (tache noire) at the site of the tick bite, swollen glands…
Read the definitionRandom terms
Show more- HIV test A test for the human immunodeficiency virus, the cause of AIDS. HIV tests are designed to detect antibodies…
- Incisional biopsy A biopsy in which only a sample of the suspicious tissue is cut into (incised) and removed for purposes of…
- Hepatitis Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usually transmitted from person to…
- Algia Word ending indicating pain, as in arthralgia (joint pain), cephalgia (headache), fibromyalgia, mastalgia…
- Children of the dark Term applied sometimes to children with xeroderma pigmentosum, a genetic disease with such extraordinary…
- Homosexual A person sexually attracted to persons of the same sex. Homosexuals include males (gays) and females…
- Deficiency, fatty alcohol: NAD+ oxidoreductase Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Symptom Any subjective evidence of disease. Anxiety, lower back pain, and fatigue are all symptoms. They are…
- Vertebrae, thoracic The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The…
- Hematochezia Bright red blood in the stool, usually from the lower gastrointestinal tract -- the colon or rectum -- or…
- Thymine (T) One member of the base pair A-T (adenine-thymine) in DNA.
- Beef tapeworm Taenia saginata, the most common of the big tapeworms that parasitizes people, contracted from infected raw…