MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Typhus, murine
An acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microorganism, Rickettsia typhi (mooseri), transmitted to humans by rat fleas (Xenopsylla cheopis). The…
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Show more- Bile acid An acid made by the liver that works with bile to break down fats. On a more technical level, bile acids are…
- Lip, cleft The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only…
- Subq Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- C. welchii Clostridium welchii
- Surgeon A physician who treats disease, injury, or deformity by operative or manual methods. A medical doctor…
- Phase, resting More appropriately called interphase. The interval in the cell cycle between two cell divisions when the…
- Hormone, follicle-stimulating (FSH) A hormone produced by the pituitary gland that controls estrogen production by the ovaries
- Osteology The study of bones. The branch of anatomy or physical anthropology that deals with bones. Bone-ology
- Cavernous sinus syndrome A cavernous sinus thrombosis is a blood clot within the cavernous sinus, a large channel of venous blood in a…
- Immunization, Haemophilus influenzae type B (HIB) Immunization designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Agenesis of the corpus callosum A congenital abnormality (a birth defect) in which there is partial or complete absence (agenesis) of the…
- Speckled iris Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These…