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.
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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).
Catheter, central venous
A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous catheters have a number of…
Read the definitionRandom terms
Show more- Shin spot A light brown or reddish oval or round scaly patch on the skin of the shin. Shin spots can be due to…
- Squamous cells Flat cells that look like fish scales. The word 'squamous' came from the Latin squama meaning 'the scale of a…
- Apraxia of speech A severe speech disorder characterized by inability to speak, or a severe struggle to speak clearly. Apraxia…
- Percutaneous liver biopsy A liver biopsy that is done through the skin with a needle. A percutaneous liver biopsy is in contrast, for…
- Public mourning The public display of grief. This may take many forms ranging from the very formal to the very informal, from…
- Disease, Bowen's N early stage of skin cancer. Bowen disease is medically the same as 'squamous cell carcinoma in situ.'…
- Adult-onset Still disease Although Still disease was first described in children, it is known to begin in adults (rarely). Of all…
- Albert Sabin See: Sabin, Albert
- Calf bone Familiar name for the fibula, the lateral (outside) and smaller of the two long bones in the lower leg. The…
- Overweight The term 'overweight' is used in two different ways. In one sense it is a way of saying imprecisely that…
- Onychocryptosis The medical term for what is better known as an ingrown toenail. From onycho-, nail + crypto-, hidden or…
- Gottron sign A scaly, patchy redness over the knuckles seen in patients with dermatomyositis, an inflammatory muscle…