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).
Immunization, meningococcal
A vaccine to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and spinal cord due to bacterial infection by an organism called Neisseria meningitidis. The symptoms of meningococcal meningitis include…
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Show more- Employment Retirement Income Security Act See: ERISA
- Anovular Not accompanied by ovulation, the release of an ovum (egg) from the ovary. Synonymous with anovulatory
- Arteritis, temporal Also called giant cell arteritis or cranial arteritis, this is a serious disease characterized by…
- Schizoid Having symptoms similar to those of schizophrenia. See schizophrenia
- Enzyme A protein (or protein-based molecule) that speeds up a chemical reaction in a living organism. An enzyme acts…
- Juxtaposition The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtaposition is thus the…
- Rash, chickenpox Rash, chickenpox: Chickenpox is characterized by a rash, often the first sign of the disease. The rash of…
- Certified midwife A midwife who has been certified by her state or national agency for credentialing midwives
- Bone, wing Familiar term for the scapula, also called the shoulder blade or blade bone, the flat triangular bone at the…
- Labia, oral The lips around the mouth. See lip.
- Patellofemoral joint One of the knee joints. The knee has three parts. The thigh bone (femur) meets the large shin bone (tibia)…
- Vrolik's disease Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…