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).
Hemangioma, capillary
A type of hemangioma (a benign tumor formed by a collection of excess blood vessels) that is composed almost entirely of tiny capillary vessels. Capillary hemangiomas may be located anywhere on the body but they are most common on the…
Read the definitionRandom terms
Show more- Tumor grade The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are…
- Clinical disease A disease with clinical signs and symptoms that are recognizable. As distinct from a subclinical illness…
- FUO (Fever of Unknown Origin) Nothing more nor less than a "boil" with a fancy name. A boil is a collection of pus. Antibiotics are often…
- Cardio-cutaneous syndrome See: LEOPARD syndrome
- Estrogen-associated hypercoagulability >esterified estrogens >esterified estrogens and methyltestosterone >estradiol >estrogens (conjugated) and…
- Co-payment A payment made by an individual who has health insurance, usually at the time a service is received, to…
- Tenesmus Straining, especially long-continued, ineffectual and painful straining, at stool or in urination. Straining…
- Sacroiliac joint dysfunction (SI Joint Pain) : Pain arising from abnormalities or
- Upper leg The upper leg is the superior (top) segment of the leg: the part above the knee. As compared to the lower leg…
- LHRH agonist A compound that is similar to LHRH (luteinizing hormone-releasing hormone) in structure and is able to act…
- Immunologist A person who is knowledgeable about immunology.
- CDNA Complementary DNA. cDNA is single-stranded DNA made in the laboratory from a messenger RNA template under the…