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.
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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).
RF
Rheumatoid factor. 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…
Read the definitionRandom terms
Show more- McClintock See: McClintock, Barbara
- Chordae tendineae Thread-like bands of fibrous tissue which attach on one end to the edges of the tricuspid and mitral valves…
- Mumps in pregnancy Mumps vaccination is not recommended during or shortly before pregnancy because it is a live attenuated…
- Gene, regulatory A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime…
- Lysine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, lysine is present in…
- Haploinsufficiency A situation in which the total level of a gene product (a particular protein) produced by the cell is about…
- Flu, Hong Kong See: Hong Kong flu
- Lightening Not to be confused with a discharge of atmospheric electricity, lightening refers to the sensation that a…
- Acne, adult Popular name for rosacea. For more information, see: Rosacea
- Alkaptonuria Alkaptonuria: A genetic metabolic disorder due to deficiency of the enzyme homogentisic acid (HGA)…
- Proinflammatory Capable of promoting inflammation. For example, air pollution may have proinflammatory effects
- Sebum An oily secretion of the sebaceous gland which helps to preserve the flexibility of the hair