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).
Pregnancy, mask of
Pigmentation of the cheeks of the face (malar area) that occurs in about half of women during pregnancy. The pigmented area darkens with sun exposure. Also referred to as melasma
Read the definitionRandom terms
Show more- Speculum, ear An instrument inserted into the auditory canal of the ear to increase the circumference of the tunnel-shaped…
- Alstrom-Hallgren syndrome See: Alstrom syndrome
- Vara See: Varus
- DOC 1. Acronym for 'daily on call.'2. Deoxycorticosterone
- Carbohydrate intake, infant Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together…
- Henoch-Schonlein purpura Henoch-Schonlein purpura: See: Schonlein-Henoch purpura.
- Marijuana Marijuana: A very common street and recreational drug that comes from the marijuana plant. The plant that…
- CNS (central nervous system) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Urine infection in children See: Urinary tract infection in children
- Apiphobia Fear of bees. A phobia is an unreasonable sort of fear that can cause avoidance and panic. Phobias are a…
- Occam's razor The principle of scientific or, in medicine, diagnostic parsimony or 'unitarianism.' In medicine, a clinician…
- Enteropathy, protein-losing See: Protein-losing enteropathy