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.
- 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).
Calculus
1. A stone within the body, such as a stone in the urinary tract. 2. The calcium salt deposits on the teeth. 3. A field of mathematics. These different meanings of 'calculus' all go bach to the origin of the word. In Latin, a calculus is…
Read the definitionRandom terms
Show more- Polymorphic light eruption A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a…
- Eyes, spots in front of the Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…
- Melanoma, malignant See: Melanoma
- Gingivitis, fusospirillary This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Tendon, Achilles See: Achilles tendon
- McKusick-Kaufman syndrome A genetic disorder in which there is build-up of fluids (called hydrometrocolpos) in the vagina and the…
- Chloride The major anion (negatively charged substance) in the blood and extracellular fluid (the body fluid that lies…
- Jugular vein The jugular veins are in the neck and drain blood from the head, brain, face and neck and convey it toward…
- Femara Brand name for letrozole, an oral antiestrogen. Femara inhibits the enzyme aromatase in the adrenal glands…
- Sperm function The capability of sperm to function -- to penetrate and fertilize the egg
- Amyotrophic lateral sclerosis 2 ALS2. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal recessive manner…
- Pachyonychia congenita, type 1 This is a form of pachyonychia congenita (elephant nails from birth) in which teeth are evident at birth. It…