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).
Preleukemia
A condition in which the bone marrow does not produce enough blood cells. This condition may progress to become acute leukemia. Preleukemia also is called myelodysplastic syndrome or smoldering leukemia
Read the definitionRandom terms
Show more- Hydronephrosis Hydronephrosis: Distention of the kidney with urine. Due to obstruction of urine outflow (for example, by a…
- Immunization, anthrax Anthrax: A series of six shots over six months and booster shots annually, the anthrax vaccine now in use in…
- Inner ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Cystic hernia See: Cystocele
- Gamma linolenic acid See: Gamma-linolenic acid
- Syndrome, Gerstmann-Straussler-Scheinker This condition is a primary problem of platelets in which the platelets lack the ability to stick adequately…
- Tuberous sclerosis A genetic disorder characterized by abnormalities of the skin, brain, kidney, and heart. The skin…
- Genetic counselor A health professional with a specialized graduate degree and experience in the areas of medical genetics and…
- Leprosy See: Hansen disease
- Laparoscopic 1. Pertaining to the procedure of laparoscopy.2. Pertaining to a laparoscope, the instrument by which…
- Family history of colon cancer See: Colon cancer family history
- Clot, blood See Blood clot