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).
Decubitus ulcer
A bed sore, a skin ulcer that comes from lying in one position too long so that the circulation in the skin is compromised by the pressure, particularly over a bony prominence such as the sacrum (sacral decubitus). The Latin 'decubitus'…
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Show more- Bone cyst, simple A solitary fluid-filled cyst (cavity) in a bone, usually in the shaft of a long bone, especially the humerus…
- Hemostasis, genetics of Inherited factors that play a role in hemostasis, the stoppage of blood flow through a blood vessel. There is…
- Caduceus 1. A rod with two snakes entwined about it topped by a pair of wings.2. An insignia of a caduceus meant…
- Leukocytosis Increase in the number of white blood cells.
- Premature contraction See: Extrasystole
- Cubitus valgus A deformity of the elbow resulting in an increased carrying angle (so that, with the arm extended at the side…
- Syndrome, Brachmann-de Lange See: de Lange syndrome
- US Department of Agriculture A department of the executive branch of the US government founded in 1862 by President Abraham Lincoln -- he…
- Down syndrome critical region Down syndrome critical region: (Abbreviated DSCR) A region on the long (q) arm of chromosome 21 thought to be…
- Lipomatosis, multiple symmetric A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- Auditory aphasia Impairment in the understanding of auditory language and communication. Sounds are heard but they convey no…
- Mercury poisoning The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…