MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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- Adam's apple A familiar anatomic feature in the front of the neck that is due to the forward protrusion of the thyroid…
- Hydroxyapatite crystal disease Hydroxyapatite crystal disease:The inflammation caused by hydroxyapatite crystals has been referred to as…
- Cell, delta (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Agita Heartburn, acid indigestion, an upset stomach or, by extension, a general feeling of upset. The word is…
- Contraindication >An absolute contraindication is a situation which makes a particular treatment or procedure absolutely…
- Evening primrose oil A natural source of essential fatty acids (EFOs). Evening primrose oil contains a higher level of arachnoidic…
- Heterochromatin Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- Anteroposterior (AP) In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken…
- Watson See: Watson, James
- Glaucoma treatment (medical) Although glaucoma cannot be cured, it can usually be controlled. Medical treatment can be in the form of…
- Choanal Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is…
- Labium A lip. Labium is the singular of the Latin neuter noun meaning lip. The plural is labia. For more…