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).
Hypercholesterolemia
High blood cholesterol. This can be sporadic (with no family history) or familial. Familial hypercholesterolemia is the most common inherited type of hyperlipidemia (high lipid levels in blood). It predisposes to premature arteriosclerosis…
Read the definitionRandom terms
Show more- His Histidine. See also: Amino acid symbols
- Psittacosis (parrot fever) Fever: An infectious disease due to a bacteria (Chlamydia psittaci) contracted from psittacine birds…
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Junctional epidermolysis bullosa A blistering skin condition inherited in an autosomal recessive manner, due to mutation of a gene that…
- Phenylketonuria Phenylketonuria: The inherited inability to metabolize (process) the essential amino acid phenylalanine due…
- Supercilious Arrogant, haughty or disdainful. From the raising of an eyebrow ('supercilium' in Latin). Supercilious is an…
- Dextrocardia The heart is reversed and is in the right side of the chest rather than in its normal location on the left…
- Neutropenia, severe congenital (SCN) Neutropenia, severe congenital (SCN): Children born with this condition lack neutrophils (a type of white…
- Sinusitis Sinusitis: Sinusitis is inflammation of the lining membrane of any of the hollow areas (sinuses) of the bone…
- Brachial plexus palsy Paralysis of the arm due to an injury to the brachial plexus, a network of spinal nerves that originates in…
- Serratus magnus One of the serratus muscles of the back and thorax. The serratus magnus originates from the lateral aspect…
- Atlantoaxial Pertaining to the first and second cervical vertebrae which meet at a joint called the atlantoaxial joint…