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).
Side effects
Problems that occur when treatment goes beyond the desired effect. Or problems that occur in addition to the desired therapeutic effect. Example -- A hemorrhage from the use of too much anticoagulant (such as heparin) is a side effect…
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Show more- Synovial membrane A layer of connective tissue that lines the cavities of joints, tendon sheaths, and bursae and makes synovial…
- Cranial nerve IV The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Reflex, Babinski An important neurologic test based, believe it or not, upon what the big toe does when the sole of the foot…
- Postmature infant A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length…
- Snake bite Snake bites: A bite of a venomous snake, such as a rattlesnake, copperhead, cottonmouth water moccasin, or…
- Mathematics disorder A condition characterized by math skills that are significantly below normal, given the person's age…
- Sigmoid In human anatomy, the lower colon (the lower portion of the large bowel). 'Sigmoid' is short for 'sigmoid…
- Infant protein requirements Proteins contain different amino acids that are linked together. Proteins provide both calories and the amino…
- Cell The basic structural and functional unit in people and all living things. Each cell is a small container of…
- Insertable loop recorder See: Patient-activated cardiac event recorder
- Premature ventricular beat See: Extrasystole
- Systole, premature See: Extrasystole