MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Cytotoxic
Toxic to cells, cell-toxic, cell-killing. Any agent or process that kills cells. Chemotherapy and radiotherapy are forms of cytotoxic therapy. They kill cells. The prefix cyto- denotes a cell. It comes from the Greek kytos meaning hollow…
Read the definitionRandom terms
Show more- Floating-Harbor syndrome A genetic condition characterized by the triad of short stature apparent at birth with significantly delayed…
- Cranial nerve, twelfth See: Twelfth cranial nerve
- Syndrome, Klippel-Feil See: Klippel-Feil sequence
- Pregnancy, mask of Pigmentation of the cheeks of the face (malar area) that occurs in about half of women during pregnancy. The…
- Nerve A bundle of fibers that uses chemical and electrical signals to transmit sensory and motor information from…
- Duchenne-Erb paralysis See: Erb palsy
- Supraglottis The part of the larynx above the glottis (where the vocal cords are located). The supraglottic larynx…
- Human Development, . . . (NICHD) Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…
- Disorder, social anxiety Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Physiologic amenorrhea The cessation of menstruation that it is completely normal and is not caused by anything pathologic. The lack…
- Psoralen Any of a number of drugs and other substances containing chemicals that react with ultraviolet (UV) light to…
- Fructose A sugar that occurs naturally in fruits and honey. Fructose has 4 calories per gram