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).
Esophageal speech
Speech produced with air trapped in the esophagus and forced out again. People with a laryngectomy (for example, for laryngeal cancer) may be taught to produce esophageal speech
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Show more- Apolipoprotein A-I APOA-I. The major protein component of HDL (high density lipoprotein) and a relatively abundant plasma…
- Dental Association, American (ADA) The mission statement of the ADA reads as follows: 'The ADA is the professional association of dentists…
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…
- Placenta, accessory See: Accessory placenta
- Heterochromatin Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- HHV-4 Human herpesvirus 4. See Epstein-Barr virus.
- Neonatal sepsis A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be…
- Dislocation, congenital hip The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Latent Hidden, dormant, inactive. The virus that causes chickenpox remains latent after the initial attack of…
- Infant A child up to 2 years (24 months) of age. The word 'infant' came from the Latin infans which was derived from…
- Legg-Calve-Perthes disease A hip disorder in children due to interruption of the blood supply to the head of the femur (the ball in the…
- Surgical menopause Menopause: Menopause induced by surgery. Surgical menopause is a type of induced menopause: menopause due to…