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).
Sudden Infant Death Syndrome (SIDS)
Sudden Infant Death Syndrome (SIDS): The sudden and unexpected death of a baby with no known illness, typically affecting sleeping infants between the ages of two weeks to six months. Infants with a brother or sister who died of SIDS…
Read the definitionRandom terms
Show more- DDH (developmental dislocation of the hip) The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Orientation, anatomic terms of See Anatomic terms of orientation
- Disease, Alexander See: Alexander disease
- Papuliferous 1. Having papules. 2. Having pimples. Simply pimply. From papule, pimple + the Latin fero, to bear. Also…
- Stress test, pharmacologic There are a diversity of pharmacologic stress tests. Here this refers specifically to a pharmacologic cardiac…
- Pruritic Itchy. A scab may be pruritic
- Choroiditis An inflammation of the layer of the eye behind the retina, either in its entirely (multifocal choroiditis) or…
- Alexander technique A process that teaches how to properly coordinate body and mind to release harmful tension and to improve…
- Hypocalcemia Lower-than-normal blood calcium. Low blood calcium makes the nervous system highly irritable with tetany…
- Disease, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- Glucose tolerance test See: Impaired glucose tolerance.
- Livedo reticularis A mottled purplish discoloration of the skin. Livedo reticularis can be a normal condition that is simply…