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).
Pneumocystis
Pneumocystis jiroveci (previously classified as Pneumocystis carinii), the fungus that causes pneumocystis pneumonia (PCP). Pneumocystis jiroveci is found worldwide, in humans and animals. Serologic evidence indicates that most healthy…
Read the definitionRandom terms
Show more- Muscle, papillary Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…
- Radius In anatomy, the radius is the smaller of the two bones on the thumb side of the forearm. (The bigger one is…
- Smoldering leukemia A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Headache, stress See headache, tension
- VATER association A nonrandom association of birth defects. VATER is an mnemonic in which the letters V, A, T, E, and R each…
- TIA See Transient ischemic attack
- Electrophysiologic study of the heart A test of the electrical conduction system of the heart (the system that generates the heart beat)…
- Yellow jacket sting A sting from a yellow jacket (or other large stinging insects such as bees, hornets and wasps) can trigger…
- Walker, baby A device that allows a baby to move about in a half-seated, half-upright position. A 'walker' may…
- Rectus abdominis A large muscle in the front of the abdomen that assists in the regular breathing movement and supports the…
- Imperforate anus A congenital malformation (a birth defect) in which the rectum is a blind alley (a cul-de-sac) and there is…
- Scoliosis, structural A fixed lateral (sideway) curve of the spine. Structural scoliosis often occurs from unknown factors without…