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…
Read the definitionRandom terms
Show more- Withdrawal, penis A method of contraception, also called coitus interruptus, in which the man withdraws his penis from the…
- Edwards syndrome Trisomy 18 syndrome. Children with the syndrome have an extra chromosome 18 with a characteristic pattern of…
- Extra systole See: Extrasystole
- BMI A person's weight in kilograms (kg) divided by their height in meters (m) squared. BMI stands for body mass…
- Cowpox A mild skin disease of milk cows, principally confined to the udder and teats, that may be contracted by…
- Alpha-galactosidase A deficiency See: Fabry disease
- Hematoma, subcutaneous A bruise
- Ciliary neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Succumb To lose the will to oppose something or to give up and accept something that you first opposed. In the…
- Startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Asn Asparagine. See also: Amino acid symbols
- Pharyngeal Having to do with the throat (pharynx)