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).
K (potassium)
K is the symbol for potassium, the major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper level of potassium is essential for normal cell function. An abnormal increase of potassium…
Read the definitionRandom terms
Show more- Jurisprudence, medical See: Medical jurisprudence
- Bacteria Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites…
- Parkinsonism 1. Parkinson disease. 2. A syndrome similar to Parkinson disease, for example, as a side effect of an…
- Fungus, foot Athlete's foot causes foot itching, burning, pain, and scaling. It is caused by a fungus and is treated with…
- Van der Woude syndrome A genetic disorder characterized by pits of the lower lip and by cleft lip and/or cleft palate. It is the…
- Chimeraplasty A method of gene therapy based upon the use of a molecule called a chimeraplast, a synthetic blend of DNA and…
- Familial Parkinson disease type 8 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…
- Drug test An examination of biologic material (such as urine, hair, saliva, or sweat) to detect the presence of…
- Fertile Able to conceive and bear offspring.
- AN The military designation for hydrogen cyanide. See: Cyanide
- Multiple daily injections Abbreviated MDI. Several shots every day as of insulin to provide tight control of blood sugar
- Infectious Diseases, Nat'l Institute of Allergy & See Hepatitis A.