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).
Lambert-Eaton myasthenic syndrome
An autoimmune disease characterized by weakness and fatigue of the proximal muscles (those near the trunk), particularly the muscles of the pelvic girdle (the pelvis and hips) and the thighs, with relative sparing of eye and respiratory…
Read the definitionRandom terms
Show more- Casein The main protein found in milk and other dairy products
- Aer-, aero- Prefix indicating a problem due to air or gas, such as aerogastria (excess stomach gas.
- YAMA See: Caspase 3
- Knee, secretary's The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes…
- Substance 1. Material with particular features, as a pressor substance.2. The material that makes up an organ or…
- Androstenedione A pivotal adrenal steroid that is a precursor to testosterone and other androgens. Known popularly as andro…
- Meiotic Pertaining to meiosis (the process of germ cell formation).
- Paraplegia Paralysis of the lower part of the body including the legs. As in flaccid or spastic paraplegia. The suffix…
- Infection, middle ear Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Hysterectomy, subtotal The uterus is surgically removed but the cervix is left is left in place. Also called a partial hysterectomy
- Plasma cell A type of white blood cell that produces and secretes antibodies. A plasma cell is a fully differentiated…
- Brachycephaly A short head, one that is short in diameter from front to back. Brachycephaly is a frequent feature of…