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).
Loneliness, fear of
An abnormal and persistent fear of loneliness, of being alone. Sufferers of this fear experience undue anxiety even though they realize that being alone does not threaten their well-being. They may worry about being ignored and unloved, or…
Read the definitionRandom terms
Show more- Respiratory disease, acute A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Pin1 An enzyme that permits brain cells to function normally. Pin1 may also protect against Alzheimer's disease…
- Syndrome, androgen insensitivity Also known as complete androgen insensitivity syndrome. This is a genetic disorder that makes XY fetuses…
- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…
- Radiologist A physician specialized in radiology, the branch of medicine that uses ionizing and nonionizing radiation for…
- Weaver's bottom Inflammation of the bursa that separates the gluteus maximus muscle of the buttocks from the underlying bony…
- Contraction The tightening and shortening of a muscle
- Center for Biologics Evaluation & Research Abbreviated CBER. Part of the FDA (the US Food & Drug Administration)
- CALLA Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
- Drug, generic >The chemical name of a drug. >A term referring to the chemical makeup of a drug rather than to the…
- Antonio Maria Valsalva See: Antonio Maria Valsalva
- Peter Pan syndrome Term coined by pop psychology author Dan Kiley in his book 'Peter Pan syndrome: Men Who Have Never Grown Up.'…