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).
Nodular melanoma
See: Melanoma, nodular
Read the definitionRandom terms
Show more- Line, central venous A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Infarction, acute myocardial See: Acute myocardial infarction
- Fear of heat Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects…
- Tok- From the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining forms, all…
- Sperm motility The percentage of all moving sperm in a semen sample. In a semen sample, 50% or more of the sperm should…
- Ethmoid sinus A collection of air cells within the ethmoid bone, a spongy bone which makes up the front of the floor of the…
- Macrobiota The living organisms (or flora and fauna) of a region that are large enough to be seen with the naked eye…
- OS (lens prescription) Abbreviation of 'oculus sinister.' Latin for 'left eye.' By contrast, OD stands for 'oculus dexter' which is…
- Cranial nerve XII The twelfth cranial nerve is the hypoglossal nerve. The twelve cranial nerves, the hypoglossal nerve…
- Ligature In surgery, a filament or thread used to tie something, such a blood vessel to prevent it from bleeding or…
- Hereditary atransferrinemia A genetic disorder in which there is absence of transferrin, a plasma protein that transports iron through…
- Shunt, Blalock-Taussig A pioneering heart operation named after the American surgeon Alfred Blalock (1899-1964) and the pediatric…