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).
Hirschsprung disease
Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the ganglia (nerves) in the wall of the bowel. Nerves are missing starting at the anus and extending a variable distance up the bowel…
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Show more- Sudden Infant Death Syndrome (SIDS) Sudden Infant Death Syndrome (SIDS): The sudden and unexpected death of a baby with no known illness…
- Internal radiation therapy Radiation therapy in which radioactive material is placed in or near a tumor
- Aid, vibrotactile See: Vibrotactile aid
- Sleeplessness Insomnia. See also Fatal familial insomnia
- Syndrome, reflex sympathetic dystrophy (RSDS) A condition that features a group of typical symptoms, including pain (often 'burning' type), tenderness, and…
- Hendra virus A virus, formerly called equine morbillivirus, that can cause illness in horses and humans. First identified…
- Irritant contact dermatitis Dermatitis: A rash brought about by constant irritation from a substance. For example, anyone who washes…
- TSH receptor The receptor for thyroid stimulating hormone (TSH), which is also called thyrotropin. Encoded by a gene on…
- Limb The arm or leg.
- Arabidopsis thaliana A plant belonging to the mustard family. See also: Arabidopsis thaliana genome
- Adenomyomata Plural form of adenomyoma
- Night blindness Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…