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).
Hematologist
A physician who is specially trained in the diagnosis, treatment, and prevention of diseases of the blood and bone marrow as well as the immunologic, hemostatic (blood clotting) and vascular systems. Because of the nature of blood, the…
Read the definitionRandom terms
Show more- Metatarsophalangeal joint sprain An injury to the big toe due to forced hyperextension (bending back) of the toe. The damage is to the capsule…
- Syndrome, contiguous gene A disorder clearly involving multiple gene loci that are adjacent to one another. An example of a contiguous…
- Pregnancy danger from urinary tract infection ): A pregnant woman who develops a UTI should be treated promptly to avoid premature delivery of her baby and…
- National Institute of Neurological Disorders Stroke (NINDS): One of the National Institutes of Health in the U.S., the NINDS's mission is to 'support and…
- Muscular dystrophy, myotonic Myotonic dystrophy, an inherited disease in which the muscles contract but have decreasing power to relax --…
- Digit A finger or toe
- ASOT Antistreptolysin O Titer. A blood test that looks for antibodies to the streptococcus A bacteria. Also…
- Acute myeloid leukemia Acute myeloid leukemia: A quickly progressive malignant disease in which there are too many immature…
- Nat'l Institute of Diabetes, Digestive and Kidney Y Diseases (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Somnolent Sleepy or tending to cause sleep. 'Somnolent' came from French. It descends from the Latin 'somnus' meaning…
- Ostomy An operation to create an opening from an area inside the body to the outside
- Livedo reticularis A mottled purplish discoloration of the skin. Livedo reticularis can be a normal condition that is simply…