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).
Lithotomy position
Position in which the patient is on their back with the hips and knees flexed and the thighs apart. The position is often used for vaginal examinations and childbirth
Read the definitionRandom terms
Show more- Purpura, Schonlein-Henoch See: Schönlein-Henoch purpura
- Insomnia Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of…
- Proto-oncogene A normal gene which, when altered by mutation, becomes an oncogene that can contribute to cancer…
- History, developmental An account of how and when a person met developmental milestones, such as walking and talking. For adults…
- Gene family A group of genes related in structure and often in function. The genes belonging to a gene family are…
- AOM Acute otitis media, a middle ear infection of abrupt onset
- Nerves, cranial Nerves that emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from…
- Natriuresis The excretion of an excessively large amount of sodium in the urine. Natriuresis is similar to diuresis (the…
- Headache, febrile A headache associated with fever. Because this can sometimes indicate inflammation of the brain, as in…
- Pregnancy, ectopic A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A…
- Lifetime risk The risk of developing a disease during ones lifetime or dying of the disease. The estimated lifetime risk of…
- Rep 1) Roentgen equivalent physical, a unit of absorbed radiation approximately equivalent to one roentgen. 2) An…