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).
Cauda equina
A bundle of spinal nerve roots that arise from the bottom end of the spinal cord. The cauda equina comprises the roots of all the spinal nerve roots below the level of the first lumbar (L1) vertebra, namely the sacral and coccygeal nerves…
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Show more- Colorectal cancer risk See: Colon cancer family history
- Aneurysm, renal An aneurysm involving the kidney. An aneurysm is a localized widening (dilatation) of an artery, vein, or the…
- Monosomy Missing one chromosome from a pair. For example, if a female has one X chromosome (X monosomy) rather than…
- Antibody cross reactivity The ability of an antibody to react with similar antigenic sites on different proteins
- RNA, ribosomal A molecular component of a ribosome, the cell's essential protein factory. Ribosomal RNA (rRNA) fabricates…
- Generalized anxiety disorder Abbreviated GAD. A condition characterized by 6 months or more of chronic, exaggerated worry and tension that…
- Chylomicron A small fat globule composed of protein and lipid (fat). Chylomicrons are found in the blood and lymphatic…
- Lymphocytic Referring to lymphocytes, a type of white blood cell.
- Predispose To make more likely or render susceptible. Smoking predisposes to a number of diseases, including esophageal…
- Spinal cord compression The act of exerting an abnormal amount of pressure on the spinal cord. Compression of the spinal cord may…
- Trauma center A specialized facility in a hospital that is designed to provide diagnostic and treatment services for trauma…
- Pineal gland A small gland located deep within in the brain. It is believed to secrete melatonin, and may therefore be…