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.
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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).
Fracture, basilar
A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor vehicle accidents, about a quarter by falls, and a tenth by recreational activities, particularly by diving accidents. The balance…
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Show more- Borrelia A group of bacteria that are helical spirochetes of the genus Borrelia. Some species of Borrelia cause…
- Homo erectus A primate believed to have been an extinct ancestor of modern humans being (Homo sapiens). Known to have been…
- Premature ventricular contraction PVC. A contraction of the lower chambers of the heart, the ventricles, which occur earlier than usual…
- Cor pulmonale Heart disease that results from abnormally high resistance to the passage of blood through the lungs; it…
- Pulmonary artery One of the two vessels which are formed as terminal branches of the pulmonary trunk and convey unaerated…
- Miasma A poisonous vapor or mist believed to be made up of particles from decomposing material that could cause…
- Incurable Not amenable to a cure. Incapable of being cured, healed and made well again. Many pancreatic cancers are…
- Molecule The smallest unit of a substance that can exist alone and retain the character of that substance.
- Lymphoma Tumor of the lymphoid tissue. Diagnosis is by biopsy. Treatment may be chemotherapy, radiation, surgery, or…
- Q.i.d. (on prescription) Seen on a prescription, q.i.d. (or qid) means 4 times a day (from the Latin quater in die). The abbreviation…
- Metaphyseal chondrodysplasia (McKusick type) See: Cartilage hair hypoplasia syndrome
- Vaccination, DTaP Like DPT, DTaP protects from diphtheria, pertussis (whooping cough) and tetanus. DTaP is the same as DTP…