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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Apraxia of speech
A severe speech disorder characterized by inability to speak, or a severe struggle to speak clearly. Apraxia of speech occurs when the oral- motor muscles do not or cannot obey commands from the brain, or when the brain cannot reliably…
Read the definitionRandom terms
Show more- Zinc deficiency Lack of zinc in the body. According to the National Academy of Sciences, the Recommended Dietary Allowances…
- Palsy, laryngeal nerve Paralysis of the larynx (voice box) caused by damage to the recurrent laryngeal nerve or its parent nerve…
- Subdural hematoma Bleeding into the space between the dura (the brain cover) and the brain itself. This space is called the…
- Vaginitis Vaginitis: Inflammation of the vagina. The vagina is the muscular canal extending from the cervix to the…
- Referred pain Pain felt at a site other than where the cause is situated. An example is the pain from the pancreas, which…
- Infection, breast See: Breast infection. See also: Mastitis
- Shunt, ventriculopleural See: Ventriculopleural shunt
- Orthosis, thoracolumbosacral (TLSO) One of the two main types of braces used to correct the lateral (sideways) curve of the spine in scoliosis…
- Disease, polygenic See Polygenic disease
- Tylenol See: Acetaminophen
- Toxic agent syndrome See: Toxic syndrome
- Protein C deficiency Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation…