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).
Acute leukemia
Leukemia: Cancer of the white blood cells (leukemia) that characteristically comes on abruptly and, if not treated, progresses rapidly. The two major types of acute leukemia are acute lymphoblastic leukemia (ALL) and acute myelocytic…
Read the definitionRandom terms
Show more- Spermatic cord A group of structures which go through the inguinal canal to the testis. The structures include the vas…
- Peripheral artery disease A form of peripheral vascular disease in which there is partial or total blockage of an artery, usually one…
- Metapneumovirus, human See: Human metapneumovirus
- RPR test Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream…
- Rubella immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Ketonuria A condition in which abnormally high amounts of ketone bodies (a byproduct of the breakdown of cells) are…
- Gene family A group of genes related in structure and often in function. The genes belonging to a gene family are…
- Vision, macular The macula is a special area in the center of the retina, the light-sensitive layer of tissue at the back of…
- Demarcation A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word…
- Blot, Northern A technique in molecular biology, used mainly to separate and identify pieces of RNA. Called a Northern blot…
- Transverse myelitis A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally…
- Chest film Most common X-ray used to detect abnormalities in or within the thoracic cage, such as the lungs, heart…