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- Contact dermatitis, allergic Also called allergic contact eczema, this is a red, itchy, weepy reaction where the skin has come into…
- Breast, infiltrating lobular carcinoma of the Ast, infiltrating lobular carcinoma of the : Infiltrating lobular carcinoma is the second most common type of…
- Growth, normal See: Normal growth
- Burn Damage to the skin or other body parts caused by extreme heat, flame, contact with heated objects, or…
- Cancer, uterine See: Uterine cancer
- Thrombinogen Better known today as prothrombin, a coagulation (clotting) factor needed for the normal clotting of blood…
- Sentinel node biopsy See: Sentinel lymph node biopsy
- Blood draw Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Blood draw is a popular term…
- Erythema dose The amount of radiation which, applied to the skin, makes it turn temporarily red (erythematous)
- Anthrax immunization Anthrax immunization: A series of six shots over six months and booster shots annually, the anthrax vaccine…
- Imperforate anus A congenital malformation (a birth defect) in which the rectum is a blind alley (a cul-de-sac) and there is…
- Gluteus maximus The greatest gluteal muscle and the biggest muscle in the human body. The gluteus maximus forms the bulk of…