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).
Cervical rib
>True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true (or sternal) ribs. >False ribs: The lower five ribs do not directly connect to the sternum and are known as false ribs. The…
Read the definitionRandom terms
Show more- Tendon, Achilles See: Achilles tendon
- Sublingual Underneath the tongue. A sublingual medication is a type of lozenge put under the tongue where it dissolves…
- Aquaphobia An abnormal and persistent fear of water. Sufferers from aquaphobia experience anxiety even though they…
- Placental dystocia Difficulty delivering the placenta (the afterbirth). Dystocia comes from the Greek 'dys' meaning 'difficult…
- Sub- Prefix meaning meaning under, below, less than normal, secondary, less than fully. As in subacute, subaortic…
- Kwashiorkor The word kwashiorkor comes from the Ivory Coast. It means the deposed (no longer suckled) child. Kwashiorkor…
- Mitochondrial disease Mitochondrial disease: Mutations (changes) in the mitochondrial chromosome are responsible for a number of…
- Hypergraphia The driving compulsion to write; the overwhelming urge to write. Hypergraphia may compel someone to keep a…
- Arthritis, degenerative A type of arthritis caused by inflammation, breakdown, and eventual loss of the cartilage of the joints. Also…
- Cesarian section, vaginal birth after It was once the rule that, after a C-section, the next delivery also had to be by C-section. Now, vaginal…
- Clinical aspirin resistance The inability of aspirin to protect a person from cardiovascular events such as heart attacks and strokes
- DNA, repetitive DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…