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).
Necrotic
Synonymous with dead. Necrotic tissue is dead tissue.
Read the definitionRandom terms
Show more- Nasal passage The walls of the nasal passages are coated with respiratory mucous membranes which contain innumerable tiny…
- Tachypnea (Pronounced tack-ip-nea.) Abnormally fast breathing. A respiratory rate that is too rapid. The normal rate of…
- Erection, penile When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Dacryoadenitis Inflammation of a lacrimal gland (a gland that produces tears)
- Smallpox vaccine A vaccine containing a live virus called vaccinia used to prevent smallpox. The vaccine does not contain the…
- Acanthamoeba A microscopic organism, an amoeba, found in soil, dust and fresh water (lakes, rivers, hot springs and hot…
- Tablespoon An old-fashioned but convenient household measure of capacity. A tablespoon holds about 3 teaspoons, each…
- IBD (inflammatory bowel disease) A group of chronic intestinal diseases characterized by inflammation of the bowel -- the large or small…
- Pneumopericardium Air or gas in the space between the heart and the pericardium, the membrane surrounding the heart.
- Psychopathic personality disorder See: Antisocial personality disorder
- Flavin-containing monooxygenase-3 (FMO3) See Fish-odor syndrome
- Fever, Lassa See: Lassa fever