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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Carcinoma in situ, squamous cell
An early stage of skin cancer. Also known as Bowen's disease. This is a tumor that develops from the squamous cells which are flat, scalelike cells in the outer layer of the skin (the epithelium). The term 'in situ' (borrowed from the…
Read the definitionRandom terms
Show more- Bacterial artificial chromosome Inflammation of the prostate gland of sudden (acute) onset due to bacterial infection. The symptoms include…
- Total hysterectomy Hysterectomy: Complete surgical removal of the uterus and cervix. Also called a complete hysterectomy
- Rhinitis, allergic, seasonal Allergic rhinitis (hayfever) which occurs during a specific season
- Nucleosome Structure responsible in part for the compactness of a chromosome. Each nucleosome consists of a sequence of…
- Estrogen/progestin therapy Abbreviated EPT. A combination of the hormones estrogen and progestin. Taken by women, the estrogen in the…
- Evolution The continuing process of change, especially in reference to natural selection. Charles Darwin (1809-82)…
- Deficiency, UROD See: UROD deficiency
- Virus, Ebola A notoriously deadly virus that causes fearsome symptoms, the most prominent being high fever and massive…
- Pontiac fever A flu-like illness caused by the bacterium Legionella pneumophila contracted by breathing mist that comes…
- Papillary muscle Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…
- Trabecula A partition which divides or partly divides a cavity. > >One of the strands of connective tissue projecting…
- Syndrome, patellofemoral (PFS) The commonest cause of chronic knee pain, PFS characteristically causes vague discomfort of the inner knee…