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).
Implantable pacemaker
Pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal pacemaker is one in which the electrodes into the heart, the electronic circuitry and the power supply are implanted…
Read the definitionRandom terms
Show more- Lipodystrophy A disorder of adipose (fatty) tissue characterized by a selective loss of body fat. Patients with…
- Hereditary mutation Mutation: A heritable change in the DNA of a gene or chromosome in a cell destined to become an egg or a…
- Johnnies Plural of johnny
- Anthracycline A member of a family of chemotherapy drugs that are also antibiotics. The anthracyclines act to prevent cell…
- Daltonism Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly). The term 'Daltonism' is…
- Writer's cramp A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting…
- Fahrenheit Thermometer scale in which the freezing point of water is 32°F and the boiling point of water 212°F. The…
- Temperature The temperature is the specific degree of hotness or coldness of the body. It is usually measured with a…
- Carbohydrate intake, infant Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together…
- Contraction, premature See: Extrasystole
- Disease, sickle cell A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Tarantism A disease once thought to result from the bite of the tarantula spider. This extraordinary affliction was…