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).
Vitamin K
One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of blood because of an essential role in the production of prothrombin (a clotting factor). The term vitamin A may also refer to a…
Read the definitionRandom terms
Show more- Umami The taste of substances such as glutamate and monosodium glutamate (MSG) that are found in foods like…
- Blepharoplasty Plastic surgery on the eyelids. Blepharoplasty may be done to correct ptosis (sagging eyelids), remove fatty…
- Test, allergy scratch Allergy scratch: Test done on the skin to identify the allergy substance (the allergen) that is the trigger…
- Cancer, kidney Malignancy of the kidney, the organ that is primarily responsible for the removal of metabolic products from…
- Reading frame One of the three possible ways to read a nucleotide sequence in DNA or RNA as a series of nonoverlapping…
- Abduction In medicine, the movement of a limb away from the midline of the body. Abduction of both legs spreads the…
- Salvage radiotherapy Radiation treatment given after recurrence of a tumor. See: Salvage therapy
- C3 (cervical vertebra) The third cervical (neck) vertebra from the top
- Ventricle, left The ventricles are the two lower chambers of the heart. The left ventricle is the chamber that receives blood…
- Necrobiosis See: Necrobiosis lipoidica diabeticorum
- Uterine contraction The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- Therapeutic touch A practice derived from an ancient technique called laying on of hands. It is based on the premise that it is…