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).
Factor, colony-stimulating
Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a blood test for the diagnosis of rheumatoid arthritis. Rheumatoid factor is present in about 80% of adults (but a much lower proportion of children)…
Read the definitionRandom terms
Show more- Metrorrhagia Uterine bleeding at irregular intervals, particularly between the expected menstrual periods. Metrorrhagia…
- Nervous system, central (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- ALT (alanine aminotransferase) An enzyme normally present in liver and heart cells that is released into the bloodstream when the liver or…
- Atrium One of the two smaller chambers of the heart. Each atrium consists of an open space with recessed walls. The…
- Itchy ear Itching of the ears. Can be the first sign of an ear infection, but if the problem is chronic, it is more…
- D (drug caution code) Abbreviation on a medication that indicates caution because the medication may cause drowsiness. While not a…
- Myeloperoxidase deficiency Deficiency of the enzyme myeloperoxidase which may predispose to severe fungal infections. The enzyme is…
- Nucleus 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells
- Edward B. Lewis See: Lewis, Edward B
- Disease, alveolar hydatid See Nail-patella syndrome.
- Bone mass density A measure of bone density. Loss of bone mass is due to osteopenia or, if more severe, to osteoporosis
- Black American See: African American