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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Aphthous ulcer
Aphthous ulcer: A small sensitive painful ulcer crater in the lining of the mouth. Commonly called a canker sore. Aphthous ulcers are one of the most common problems that occur in the mouth. About 20% of the population (1 in 5 people) have…
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Show more- Lethargy 1. Abnormal drowsiness, stupor. 2. A state of indifference.From the Greek lethargia, drowsiness
- Neurone A variant spelling of neuron. Sometimes preferred in the UK, as in 'His suffering from motor neurone disease…
- Tartar Tartar is the hardened product of longstanding plaque accumulating minerals from the saliva and foods. Plaque…
- Intrauterine growth restriction The growth of the fetus is abnormally slow. When born, the baby appears too small, considering its' dates…
- Pica A craving for something not normally regarded as nutritive. For example, dirt. Pica is a classic clue to iron…
- Oligodactyly Fewer than the normal number of fingers or toes. Oligo- is from the Greek 'oligos' (few or scanty) + -dactyly…
- DOTS Stands for Directly Observed Treatment, Short-course. DOTS is a strategy used to reduce the number of…
- Iliac horns Symmetrical bilateral central posterior iliac processes. In other words, horn-like malformations of the crest…
- Keratosis follicularis A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Cell, T-4 A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…
- Dysentery Inflammation of the intestine, often with pain, diarrhea, bloody stools, etc. It is usually caused by…
- Risk factor Something that increases a person's chances of developing a disease