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).
Hematophobia
An abnormal and persistent fear of blood is called hematophobia. Sufferers of this very common phobia dread the sight of their own blood, the sight of the blood of another person or an animal, and sometimes printed or filmed images of…
Read the definitionRandom terms
Show more- Up-regulation See: Upregulation
- Suppressant, cough A drug used to control coughing, particularly with a dry, nagging, unproductive cough
- Deformation A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word…
- Influenza vaccination priorities The influenza (flu) vaccine is recommended for persons at high risk for serious complications from influenza…
- Clasped thumbs and mental retardation A syndrome with the following characteristic features: (1) neurologically: mental retardation and aphasia…
- Reflex A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The…
- Melanoma of the eye See: Intraocular melanoma
- Incontinentia pigmenti In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the…
- Pernicious anemia Pernicious anemia: A blood disorder caused by inadequate vitamin B12 in the blood. Patients who have this…
- Sociopathic personality See: Antisocial personality disorder
- Glaucoma, low tension See: Glaucoma, normal tension
- Hemophobia An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own…