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).
Felty's syndrome
Felty's syndrome: A complication of long-standing rheumatoid arthritis. See: Felty syndrome.
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Show more- Drug caution codes Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Hyperadrenocorticism Excess hormone called 'cortisol'. Often called Cushing's syndrome, it is an extremely complex condition that…
- Myelin The fatty substance that covers and protects nerves. Myelin is a layered tissue that sheathes the axons…
- STDs in men See sexually transmitted diseases in men.
- Completely-in-the-canal hearing aid The smallest and most discreet of the common styles of hearing instruments. Completely-in-the-canal (CIC)…
- White subungual onychomycosis, proximal The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Virus, JC JC virus
- Klinefelter syndrome Klinefelter syndrome: A chromosome condition in boys and men that is usually due to 47 chromosomes with XXY…
- Thyroid hormone organification defect IIb See Pendred syndrome
- Landslide injury Injury from a landslide or mudslide. A landslide is when masses of rock, earth, or debris move down a slope…
- Barrett esophagus See: Barrett's esophagus
- Band, Q A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of…