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).
Biopsy
The removal of a sample of tissue for purposes of diagnosis. (Many definitions of 'biopsy' stipulate that the sample of tissue is removed for examination under a microscope. This may or may not be the case. The diagnosis may be achieved by…
Read the definitionRandom terms
Show more- Cleft uvula The uvula, the little V-shaped fleshy mass hanging from the back of the soft palate, is cleft. . Cleft uvula…
- Obesity-related disease Any disease for which obesity is a significant risk factor. Obesity increases the risk of developing a very…
- Chromosome map A chromosome (one of the microscopically visible carriers of the genetic material DNA) with its centromere…
- Pachyonychia congenita, type 1 This is a form of pachyonychia congenita (elephant nails from birth) in which teeth are evident at birth. It…
- Snellen's chart The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Akinesia Impaired body movement; without movement (or without much movement). Akinesia is a term used in neurology to…
- Hematologist A physician who is specially trained in the diagnosis, treatment, and prevention of diseases of the blood and…
- Rod A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision…
- Cyclic AMP-dependent protein kinase See: Protein kinase A
- Prevalence The proportion of individuals in a population having a disease. Prevalence is a statistical concept referring…
- Carditis Inflammation of the heart
- Thyroid hormone receptor A molecule that receives a thyroid hormone and permits it to dock on the nuclear membrane of a cell. The…