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).
Photodynamic therapy
Photodynamic therapy: A form of cancer treatment using an photosensitizing agent administered intravenously which concentrates selectively in tumor cells, followed by exposure of the tumor tissue to a special red laser light, in order to…
Read the definitionRandom terms
Show more- Transverse fracture A fracture in which the break is across the bone, at a right angle to the long axis of the bone. NTER>
- Ascending pathway A nerve pathway that goes upward from the spinal cord toward the brain carrying sensory information from the…
- Coccygeal Referring to the coccyx, the small tail-like bone at the bottom of the spine, that is made up of 3-5 (average…
- Keratosis pilaris Keratosis pilaris: Small rough bumps, generally on the face, upper arms, and thighs. Keratosis refers to a…
- Cholesteryl ester transfer protein See: Cholesterol ester transfer protein
- Child urine infection See: Urinary tract infection in children
- Tache noire Black spot (in French), a small ulcer covered with a black crust at the site of a tick bite, characteristic…
- Open fracture A fracture in which the bone is sticking through the skin. Also called a compound fracture. NTER> Note that…
- Bronchus One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The…
- Dip, paraffin A treatment for the symptoms of joint and muscle conditions, such as arthritis, that consists of melted…
- Anisocoria Both pupils are usually of equal size. If they are not, that is termed anisocoria (from 'a-', not + 'iso'…
- Thoracic cage The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages…