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).
XY
The most frequent sex chromosome complement in human males
Read the definitionRandom terms
Show more- GOLD-2 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- Hemiplegia Paralysis of one side of the body. From hemi- (half) + plege (a blow, stroke)
- Transmission, perinatal Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the…
- Ophthalmitis Inflammation of the eye. Also known as ophthalmia
- Dialysis, peritoneal Dialysis, peritoneal: Technique that uses the patient's own body tissues inside of the belly (abdominal…
- Tone deafness The inability to recognize musical tones or reproduce them. Also called amusia
- Syndrome, Hurler An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- Spastic dysphonia See: Spasmodic dysphonia
- Acanthosis nigricans A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the…
- Plegia Suffix meaning paralysis or a stroke. As in cardioplegia (paralysis of the heart), hemiplegia (paralysis of…
- Litmus test 1. A test to determine the acidity and alkalinity of a solution. See: Litmus. 2. Figuratively, any test in…
- Translocation, Robertsonian A relatively very common and medically significant type of chromosome rearrangement that is formed by fusion…