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).
Hair loss
Hair loss: Hair loss is the thinning of hair on the scalp. The medical term for hair loss is alopecia. Alopecia can be temporary or permanent. The most common form of hair loss occurs gradually and is referred to as 'androgenetic…
Read the definitionRandom terms
Show more- Category 1 storm See: Category two hurricane.
- Doctors' symbol A staff or rod, with a snake curled around it. It is the staff or rod of Aesculapius (also called Asklepios)…
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…
- Injury, mental child Also known as emotional child abuse, this is the third most frequently reported form of child abuse (after…
- Poison Any substance that can cause severe distress or death if ingested, breathed in, or absorbed through the skin…
- PHS The Public Health Service, the agency responsible for the public health of the American people. The Public…
- Mouth, dry See: Dry mouth
- Vaccinia immune globulin A blood product rich in antibodies against vaccinia, the virus in the smallpox vaccine. Vaccinia immune…
- Bilirubin A yellow-orange compound produced by the breakdown of hemoglobin from red blood cells.
- Ketosis-prone diabetes See Diabetes, type 1
- Cutis laxa A dermatologic condition characterized by unusually loose skin which may hang in pendulous folds. Cutis laxa…
- TORCH screen Screening test for a group of infections known by the acronym TORCH which stands for Toxoplasma gondii; other…