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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
ICD
Implantable cardiac defibrillator, a device that is put within the body and is designed to recognize certain types of abnormal heart rhythms (arrhythmias) and correct them. Defibrillators continuously monitor the heart rhythm in order to…
Read the definitionRandom terms
Show more- Fear of thunderstorms An abnormal and persistent fear of thunderstorms. Sufferers experience anxiety even when they realize the…
- COPD Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- Dural sac The membranous sac that encases the spinal cord within the bony structure of the vertebral column. Dural…
- Medication 1. A drug or medicine. 2. The administration of a drug or medicine. (Note that 'medication' does not have the…
- Asparagine An amino acid, one of the 20 building blocks of protein. Asparagine is nonessential to the diet since the…
- Cloning, DNA The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA
- Metatarsophalangeal joint sprain An injury to the big toe due to forced hyperextension (bending back) of the toe. The damage is to the capsule…
- Sibship The total number of children born to a set of parents. Siblings belong to a sibship
- Fusospirochetal gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Gastroschisis A birth defect in which there is a separation in the abdominal wall. Through this opening protrudes part of…
- Motoneuron The term motoneuron is an elision of motor and neuron. See: Motor neuron
- Magnesium A mineral involved in many processes in the body including nerve signaling, the building of healthy bones…