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).
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- Teratophobia Fear of bearing a malformed child. A phobia is an unreasonable sort of fear that can cause avoidance and…
- Anderson-Fabry disease See: Fabry disease
- Sciatica Sciatica: Pain resulting from irritation of the sciatic nerve, typically felt from the low back to behind the…
- Erythroleukemia A form of acute myeloid leukemia (AML) involving the cells that give rise to the erythrocytes (the red blood…
- Tumor registry Recorded information about the status of patients with tumors. Although a registry was originally the place…
- Attention deficit disorder (ADD) Attention deficit disorder (ADD): An inability to control behavior due to difficulty in processing neural…
- Labia majora The larger (major) outside pair of labia (lips) of the vulva (the female external genitalia).
- Artificial insemination A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- H Symbol for hydrogen
- K (potassium) K is the symbol for potassium, the major positive ion (cation) found inside of cells. The chemical notation…
- Immunoglobulin G Abbreviated IgG. A major class of immunoglobulins found in the blood, including many of the most common…
- MCAT The Medical College Admissions Test, a test that is required of all applicants to medical school in the U.S…