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).
Sporadic
>An endemic is present in a community at all times but in low frequency. An endemic is continuous, as in the case of malaria in some areas of the world or as with illicit drugs in certain neighborhoods. >An epidemic involves more than the…
Read the definitionRandom terms
Show more- Perimenopause The menopause transition. Perimenopause begins about 6 years before the natural menopause. This is a time…
- Nexus A connection or link. A causal connection. A connected series. 'Nexus' comes from the Latin 'nectere' meaning…
- Skin test for immunity A method of evaluating whether a person has developed an immune response to certain infections. A substance…
- ZAP-70 Zeta-chain-associated protein kinase 70. A member of the protein tyrosine kinase family, ZAP-70 is normally…
- Elbow, arthritis of the Inflammation (arthritis) of the elbow joint can be due to many systemic forms of arthritis, including…
- Muscle, heart A type of muscle with unique features only found in the heart. The heart or cardiac muscle is medically…
- Sign of pregnancy See entry to: Pregnancy symptom
- Histiocytosis, lipid A form of histiocytosis that affects lipid (fat) storage. Also known as Niemann- Pick disease…
- Urethral opening, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Epidermoid carcinoma A type of lung cancer in which the cells are flat and look like fish scales. Also called squamous cell…
- T-cell depletion A disease in which certain cells of the lymphoid system called T lymphocytes or T cells are malignant. T…
- VACTERL association A nonrandom association of birth defects. VACTERL is an mnemonic in which the letters V, A, C, T, E, R, and L…