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).
Knee, secretary's
The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes vague discomfort of the inner knee area, aggravated by activity (running, jumping, climbing or descending stairs) or by prolonged…
Read the definitionRandom terms
Show more- Analog In biochemistry, a substance that is similar, but not identical, to another
- Vena cava, inferior A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Transvaginal ultrasound A technique in which sound waves are sent out by an ultrasound probe that has been inserted in the vagina…
- Monogenic Pertaining to one gene. As opposed to polygenic
- Bilateral Having, or relating to, two sides. Bilateral is as opposed, for example, to unilateral (which means having…
- Dislocated shoulder See: Shoulder dislocation
- Vaginal birth after Cesarian section It was once the rule that, after a C-section, the next delivery also had to be by C-section. Now, vaginal…
- Study, stomach emptying Also called a gastric emptying study, this test evaluates the emptying of food from the stomach. For a…
- Amazia A condition wherein the breast tissue is absent, but the nipple is present. Amazia typically is a result of…
- Vertebrae, sacral There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- Landry ascending paralysis A particularly virulent form of Guillain-Barre syndrome. The disorder often begins with a flu-like illness…
- Pulmonary stenosis The pulmonary valve is too tight so that the flow of blood from the right ventricle of the heart into the…