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).
Valve, pulmonary
One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in the pulmonary artery trunk. It lets blood head in the right direction (toward the lungs) and keeps it from sloshing back from the…
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Show more- Cytogenetics The study of chromosomes, the visible carriers of DNA, the hereditary material. Cytogenetics is a fusion…
- Skull, hair-on-end Thin fine linear extensions radiating out from the skull that look on an X-ray like hair standing 'on-end'…
- Fear of loneliness An abnormal and persistent fear of loneliness, of being alone. Sufferers of this fear experience undue…
- Syndrome, Paterson-Kelly See: Plummer-Vinson syndrome
- Hypertrophy, benign prostatic Abnormally elevated blood level of uric acid. Uric acid is a breakdown product of purines that are part of…
- Cranial nerve, ninth The ninth cranial nerve is the glossopharyngeal nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Pigmented villonodular synovitis A benign proliferative form of monoarthritis (arthritis in just one joint) that can occurs at any age but is…
- Flat affect A severe reduction in emotional expressiveness. People with depression and schizophrenia often show flat…
- Dobelle See: Dobelle, William
- Pediatric bladder infection See: Urinary tract infection in children
- Syndrome, piriformis Irritation of the sciatic nerve caused by compression of the nerve within the buttock by the piriformis…
- Dercum disease A condition characterized by painful fatty tumors (lipomas) beneath the skin. The diseases tends to be…