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).
Insomnia, chronic
Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of: > >First, the diagnosis and treatment of underlying medical or psychological problems. >The identification of behaviors that may…
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Show more- Carotid body A small 'body' of tissue rich in capillaries, at the spot the carotid artery branches in the neck, containing…
- Sclerencephaly A general term for scarring and shrinkage of the substance of the brain. Sclerencephaly occurs because of…
- Cholestin One of the three major preparations of red yeast rice, a tradition Chinese medicine now used to lower…
- Gland, sublingual See: Sublingual gland
- Perimenopause The menopause transition. Perimenopause begins about 6 years before the natural menopause. This is a time…
- QT syndrome, long An inherited defect in the heart rhythm. In the US alone, it is estimated that 4,000 children and young…
- Esophagogastric tamponade A procedure in which a balloon is inflated within the esophagus and stomach to apply pressure on bleeding…
- Ultraviolet radiation Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Map-dot-fingerprint type corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows geographic map-like lines…
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…
- Peritonsillar abscess A collection of pus behind the tonsils that pushes one of the tonsils toward the uvula (the prominent soft…
- Disorder, cephalic A congenital condition that stems from damage to, or abnormal development of, the budding nervous system…