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).
Disorder, social anxiety
Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating effects on personal and professional relationships. Also called social phobia. Phobias are persistent, irrational fears of certain…
Read the definitionRandom terms
Show more- MUTYH See: MYH
- Down syndrome Down syndrome: A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome…
- Contraceptive, implantable progestin Implantable progestin in the form of Norplant was approved by the U.S. Food and Drug Administration (FDA) for…
- Therapy, external beam radiation Radiation focused from a source outside the body on the affected area (for example, the cancer) within the…
- Muscular dystrophy, oculopharyngeal A form of muscular dystrophy that begins in the muscles of the eyes and throat. It usually appears between…
- Asymptomatic Without symptoms. For example, an asymptomatic infection is an infection with no symptoms
- RDA Abbreviation for the Recommended Dietary Allowance. Or, popularly, the Recommended Daily Allowance
- Lymphocytosis Too many lymphocytes, a finding that may be a marker for infection or disease.
- BP1 Beta protein 1, a protein encoded by a member of the homeobox gene family, a group of genes important to…
- Parasympathetic nervous system A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and…
- Test, erythropoietin A test of the hormone erythropoietin (EPO) in blood. An abnormal level of EPO may mean bone marrow or kidney…
- Hemostasis The stoppage of bleeding or hemorrhage. Also, the stoppage of blood flow through a blood vessel or organ of…