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).
Valine
An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, valine is required for optimal growth of children. It is one of the three branched-chain amino acids. Deficiency of the dehydrogenase enzyme for these…
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Show more- Rickets A disease of infants and children that disturbs normal bone formation (ossification). Rickets is a failure to…
- Membranous vitreous type Stickler syndrome Yndrome, type I. See: Stickler syndrome
- Vertebrae, sacral There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- Insular sclerosis See: Multiple sclerosis
- Streptococcus pyogenes A common bacteria of the skin that causes strep throat (streptococcal pharyngitis), impetigo, other skin…
- HHS Acronym for the U.S. Department of Health and Human Services. Also known as DHHS. The U.S. Department of…
- Temporary loss of consciousness A partial or complete loss of consciousness with interruption of awareness of oneself and ones surroundings…
- Lamarckism The theory of acquired characteristics put forth by Jean-Baptiste P.A. Lamarck (1744-1829), a French…
- Test, eyedrop There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Syndrome, Alagille Also known as arteriohepatic dysplasia, this is a genetic disorder characterized by jaundice in the newborn…
- Leptin A hormone that has a central role in fat metabolism. Leptin was originally thought to be a signal to lose…
- Endep See: Amitriptyline