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).
Cleft lip
The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only (unilateral) or on both sides (bilateral) -- resulting from failure of the normal process of fusion of the lip to come to…
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Show more- Plasma osmolarity The osmolarity of blood plasma, which is a measure of the hydration status. The plasma osmolarity is…
- Great pox Syphilis. An old name to distinguish it from the smallpox
- Multiple lentigines syndrome See: LEOPARD syndrome
- Psychology, social The study of the mind and mental processes, particularly as regards social interactions, focusing on the ways…
- Gene expression The translation of information encoded in a gene into protein or RNA. Expressed genes include genes that are…
- UAA A triplet consisting of uracil, adenine, adenine, in that order, that acts as a stop codon in messenger RNA…
- Mesial 1. Toward the middle. As, for example, a mesial temporal lobe structure.2. In dentistry, toward the middle of…
- Dihydrotestosterone A byproduct of the male hormone testosterone. Dihydrotestosterone (DHT) is considered to be the essential…
- HRT (hormone replacement therapy) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Epididymis A structure within the scrotum attached to the backside of the testis. The epididymis is a coiled segment of…
- Bile acid An acid made by the liver that works with bile to break down fats. On a more technical level, bile acids are…
- Synovial cyst, popliteal A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined…