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.
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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).
Nitrous oxide (laughing gas)
A gas that can cause general anesthesia. Nitrous oxide is sometimes given in the company of other anesthetic agents but it is not used today as the only anesthetic agent because the concentration of nitrous oxide needed to produce…
Read the definitionRandom terms
Show more- PNS (peripheral nervous system) That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system…
- Conn syndrome Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…
- Corticosteroid Any of the steroid hormones made by the cortex (outer layer) of the adrenal gland. Cortisol is a…
- Aqueduct A channel for the passage of fluid.
- Infant in swaddling The symbol of pediatrics and child health. Also known as the della Robbia or the bambino. The infant in…
- Keratitis-ichthyosis-deafness syndrome >Keratitis -- gradual destruction of the cornea of the eye, sometimes leading to blindness >Ichthyosis --…
- Shy-Drager syndrome A mysterious progressive disorder of the central and sympathetic nervous systems, also called multiple system…
- Gland, Cowper's See: Bulbourethral gland
- Transplant, bone marrow See: Bone marrow transplant
- American Association of Dermatology One of a multitude of professional societies in the health arena. The AMA (the American Medical Association)…
- Pulse, pistol-shot See: Pulse, water hammer
- Syndrome, Bloch-Sulzberger Also known as incontinentia pigmenti (IP). A genetic disease with blisters that develop soon after birth on…