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).
Black henna
A tattoo ink and paste consisting of henna with other ingredients added, sometimes including para-phenylenediamine (PPD). Allergic reactions to PPD include a red rash, contact dermatitis, itching, blisters, open sores, scarring of the skin…
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Show more- Infection, Neisseria An infection acquired in a hospital. Specifically an infection that was not present or incubating prior to…
- Silicatosis See: Silicosis
- Bone, temporal See: Temporal bone
- Methionine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, methionine provides…
- Study, gastric emptying A gastric emptying study evaluates the emptying of food from the stomach. For a gastric emptying study, a…
- TIA See Transient ischemic attack
- Fracture, toddler's A torsion fracture of the tibia, without bone displacement
- Medical helminthology The field of medicine that pertains to helminths (worms) capable of disease in people. For more about these…
- Glaucoma, symptoms of At first, there are no symptoms. Vision stays normal, and there is no pain. However, as the disease progress…
- Spider phobia See: Arachnophobia
- SiRNA Abbreviation for small inhibitory RNA, a short sequence of RNA which can be used to silence gene expression
- Bronchus One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The…