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).
Hemiplegia, alternating
See: Alternating hemiplegia of childhood
Read the definitionRandom terms
Show more- Exudative angina Angina: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is chest pain…
- Glial cell A supportive cell in the central nervous system -- the brain and spinal cord. Glial cells do not conduct…
- Advance directives These directives pertain to treatment preferences and the designation of a surrogate decision-maker in the…
- Ischium Bone making up the lower down back part of the pelvis
- Seven day diet The Seven day diet is any weight loss plan designed to be followed for seven days at a time. There are many…
- Human T-lymphotropic virus type III An obsolete term for the human immunodeficiency virus, now commonly called HIV
- Familial polyposis of colon, autosomal recessive See: MYH
- Fantod A state of nervous anxiety or irritability. Also an irritable outburst. Pronounced fan-todd
- Asystole A dire form of cardiac arrest in which the heart stops beating -- there is no systole -- and there is no…
- Benign recurrent aseptic meningitis Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign…
- Levocardia Reversal of all of the abdominal and thoracic organs (situs inversus) except the heart, which is still in its…
- Pigment A substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair