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).
Lactose
The sugar found in milk. The body uses the enzyme lactase to break down lactose into galactose and glucose
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- Skin graft, mesh A graft technique in which multiple pieces of skin are carefully arranged to cover an area. This technique is…
- Paragonimiasis Infection with the trematode (parasitic worm) Paragonimus. More than 10 species of trematodes (flukes) of the…
- Intravenous cholangiogram Feeding through a vein. Also called parenteral alimentation or parenteral nutrition.
- Cardiomyopathy, doxorubicin See: Doxorubicin cardiomyopathy
- Mutation, null A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a…
- Third ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Erythropoietin test Erythropoietin test: A test of the hormone erythropoietin (EPO) in blood. An abnormal level of EPO may mean…
- Ramus In anatomy, a branch, such as a branch of a blood vessel or nerve. For example, the ramus acetabularis…
- SEM Scanning electron microscope
- Progressive vaccinia A severe complication of smallpox vaccination that occurs because of an immune defect in the vaccinated…
- Acute necrotizing ulcerative gingivitis (ANUG) This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…