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).
Lissencephaly
A brain malformation characterized by microcephaly and the lack of normal convolutions (folds) in the brain. Lissencephaly literally means 'smooth brain.' It is caused by defective neuronal migration, a defect in the process in which nerve…
Read the definitionRandom terms
Show more- Hershey-Chase experiment An extraordinarily important experiment in 1952 that helped to convince the world that DNA was the genetic…
- Cellulitis Cellulitis: An acute spreading bacterial infection below the surface of the skin characterized by redness…
- Charles Darwin See: Darwin, Charles
- Abnormal Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth…
- CCP Cyclic citrullinated peptide
- Mendelian inheritance The manner in which genes and traits are passed from parents to their children. The four modes of Mendelian…
- DES Diethylstilbestrol, the earliest synthetic (man-made) form of a hormone in the estrogen class. DES was once…
- Amyloid Any of a number of complex proteins that are deposited in tissues and that share selected laboratory features…
- Adult-onset Still disease Although Still disease was first described in children, it is known to begin in adults (rarely). Of all…
- Cancer, small cell lung A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Fungistat A chemical that keeps fungi from growing. See also: Fungicide
- Infant formula A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding…