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).
Skin
The skin is the body's outer covering. It protects us against heat and light, injury, and infection. It regulates body temperature and stores water, fat, and vitamin D. Weighing about 6 pounds, the skin is the body's largest organ. It is…
Read the definitionRandom terms
Show more- Crohn's disease Crohn's disease: A chronic inflammatory disease, primarily involving the small and large intestine, but which…
- Disease, Graves Generalized diffuse overactivity ('toxicity') of the entire thyroid gland which becomes enlarged into a…
- Choana (Plural: choanae) The passageway from the back of one side of the nose to the throat. There are two choanae…
- Contrast nephropathy A form of acute renal failure that starts soon after administration of contrast media (dye) for X-rays. The…
- Clinical trial See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Non-inferior clinical…
- Open-angle glaucoma Glaucoma: Glaucoma in which the aqueous (fluid) that flows through the pupil into the anterior (front)…
- Tapeworm infection, pork Known medically as cysticercosis, an infection caused by Taenia solium (the pork tapeworm). Infection occurs…
- Dystonia, torsion A form of dystonia known as early-onset torsion dystonia (also called idiopathic or generalized torsion…
- Bowen disease An early stage of skin cancer. Bowen's disease is medically the same as 'squamous cell carcinoma in situ.'…
- Bernstein test A test to find out if heartburn is caused by acid in the esophagus and so to diagnose GERD (gastroesophageal…
- Hyper-IgD syndrome A genetic disorder characterized by recurring attacks of chills and fever that usually start before the first…
- PCA Commonly used abbreviation for patient-controlled analgesia. Analgesia simply means relief of pain. PCA is a…