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).
Birth rate
The birth rate is usually given as the number of live births divided by the average population (or the population at midyear). This is termed the crude birth rate. In 1995, for example, the crude birth rate per 1,000 population was 14 in…
Read the definitionRandom terms
Show more- Enzymes Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald…
- Gland, exocrine See: Exocrine gland
- Varicella immunization See Chickenpox immunization
- HAVRIX A vaccine against hepatitis A made of killed hepatitis A virus to stimulate the body's immune system to…
- ERG Electroretinography
- Scoliosis, idiopathic A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Dacryocyst The lacrimal sac; tear sac. The dilated (widened) upper end of the nasolacrimal duct, the passageway that…
- Cocci Pleural of coccus. Bacteria which are spherically shaped
- Blue cohosh (Caulophyllum thalictroides). A tall North American perennial plant with large blue berries. Blue cohosh is…
- Hounsfield, Godfrey (1919-2004) British electrical engineer whose contributions to the creation of the computerized axial…
- Joint, acetabular The hip joint by another name. The acetabulum is the cup-shaped socket of the hip joint. It is a key feature…
- OHRP The Office of Human Research Protections, the agency responsible for developing, monitoring and exercising…