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).
Infant formula
A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding (that is, breastfeeding with no formula) for all full term, healthy infants for the first 6 months of life. However, many infants…
Read the definitionRandom terms
Show more- Cyte A genetic term referring to the visual appearance of a chromosome when stained and examined under a…
- Lobar Having to do with a lobe. For example, lobar pneumonia.
- Testicular feminization syndrome Now more appropriately called the complete androgen insensitivity syndrome, this is a genetic disorder that…
- Y chromosome The sex chromosome found together with an X chromosome in most normal males. Once thought to be a genetic…
- IRB Institutional Review Board
- Phenolphthalein A compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC)…
- Fear of feces El waste): An abnormal and persistent fear of feces (bowel waste). Sufferers of this fear experience anxiety…
- Spasticity A state of increased tone of a muscle (and an increase in the deep tendon reflexes). For example, with…
- Vinca alkaloid A medication in a class of anticancer drugs that inhibit cancer cell growth by stopping cell division…
- Cranial nerve V The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
- Laryngitis Laryngitis is an inflammation of the larynx, the portion of the airway (respiratory tract) containing the…
- Postop Short for postoperative, after surgery. The opposite of postop is preop