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).
Hemoglobinuria
The presence of free hemoglobin in the urine, an abnormal finding, that may make the urine look dark. Hemoglobin is the protein in the red blood cells which carries oxygen from the lungs to the tissues of the body and returns carbon…
Read the definitionRandom terms
Show more- Lymphoid Referring to lymphocytes, a type of white blood cell. Also refers to tissue in which lymphocytes develop.
- Feeding, breast See: Breastfeeding
- Sexagenarian Someone in his or her sixties. See also: Age by decade
- Di- A byproduct of the male hormone testosterone. Dihydrotestosterone (DHT) is considered to be the essential…
- Coronary artery bypass graft Coronary artery bypass graft: Abbreviated CABG. A form of bypass surgery that can create new routes around…
- PELD Pediatric End-Stage Liver Disease. A disease severity scoring system for children under 18 years of age…
- Falciparum malaria Malaria: The most dangerous type of malaria. Red blood cells infected with the parasite tend to sludge and…
- Incontinence, urge A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate…
- Lysis Destruction. Hemolysis is the destruction of red blood cells with the release of hemoglobin; bacteriolysis is…
- Internal medicine A medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes…
- Acanthosis nigricans A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the…
- Syndrome, floppy baby A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…