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).
Crib death
The sudden and unexpected death of a baby with no known illness, typically affecting infants from 2 weeks to 6 months of age while sleeping. Crib death is now called Sudden Infant Death Syndrome (SIDS). Babies at an increased risk for SIDS…
Read the definitionRandom terms
Show more- Dystrophy, cone A disease of the cones, the specialized light-sensitive cells that act as photoreceptors in the retina of the…
- Viable Capable of life. For example, a viable premature baby is one who is able to survive outside the womb.
- Flores man See: Homo floresiensis
- CISM Critical incident stress management
- Dysplasia Abnormal in form. From the Greek dys- (bad, disordered, abnormal) and plassein (to form). For example…
- Urination, difficulty See: Dysuria
- Ethyl acrylate A substance used in making latex paints and textiles. The US government removed ethyl acrylate from its list…
- Onychoosteodysplasia This is the nail-patella syndrome, an hereditary condition characterized by abnormally formed (dysplastic) or…
- Angiogenesis The process of developing new blood vessels. Angiogenesis is important in the normal development of the…
- Trinucleotide A sequence of 3 base pairs; a triplet of bases. The gene code is made up of trinucleotides
- Overactive bladder Overactive bladder: A sudden involuntary contraction of the muscular wall of the bladder causing urinary…
- Quality adjusted life year (QALY) A year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0…