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).
Hormone, secretin
Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was coined by the English physiologists Wm. M. Bayliss and Ernest H. Starling in connection with their discovery of secretin, the first…
Read the definitionRandom terms
Show more- Gene product The RNA or protein that results from the expression of a gene. The amount of gene product is a measure of the…
- Systemic-onset juvenile chronic arthritis See: Arthritis, systemic-onset juvenile rheumatoid
- Karyotype A standard arrangement of the chromosome complement done for chromosome analysis. For example, a normal human…
- Valgum See: Valgus
- Amnesia, transient global See: Transient global amnesia.
- Barbat skullcap See: Scutellaria barbata
- Phenylalanine hydroxylase deficiency The inherited inability to process the amino acid phenylalanine normally, due to deficiency of the enzyme…
- System, autonomic nervous Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic…
- Manicheel tree A dangerous tropical tree whose sap is highly poisonous and corrosive. The sap comes out when a leaf is…
- Skeleton, bones of the The human body has 206 bones. These consist of 80 axial (head and trunk) bones and 126 appendicular (upper…
- Plaque 1. An semi-hardened accumulation of substances from fluids that bathe an area. Examples include dental plaque…
- Lean body mass The mass of the body minus the fat (storage lipid). There are a number of methods for determining the lean…