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).
Hepatoma
Cancer originating in the liver, in liver cells. More often called hepatocarcinoma or hepatocellular carcinoma. From hepat-, the liver + -oma, tumor = a liver tumor
Read the definitionRandom terms
Show more- Foodborne disease A disease caused by consuming contaminated food or drink. Myriad microbes and toxic substances can…
- Baby blues A common temporary psychological state right after childbirth when a new mother may have sudden mood swings…
- Disease, lipid storage A series of disorders due to inborn errors in lipid metabolism resulting in the abnormal accumulation of…
- Dactyledema Swelling of the fingers or toes
- Rotator cuff Rotator cuff: A group of four tendons that stabilize the shoulder joint. Each of the four tendons hooks up to…
- Atrophy Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also…
- Specificity, analytic See: Analytic specificity
- Eicosanoid A lipid mediator of inflammation derived from the 20-carbon atom arachidonic acid (20 in Greek is 'eicosa')…
- HS Hereditary spherocytosis. HS also stands for half-strength, hamstrings, heart sounds, heparan sulfate, hernia…
- Disease, Castleman A disorder of lymphoid tissue (lymphadenopathy) with massive overgrowth (hyperplasia) of lymph nodes…
- Thromboxane A substance made by platelets that causes blood clotting and constriction of blood vessels. There are two…
- Punch biopsy A biopsy performed using a punch, an instrument for cutting and removing a disk of tissue. For example, a…