MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Acclimatization to altitude
The main cause of altitude sickness is going too high too fast. Given time, the body can adapt to the decrease in oxygen concentration at a specific altitude, process known as acclimatization. To acclimatize, a number of changes take place…
Read the definitionRandom terms
Show more- Event, adverse See: Adverse event
- Autosomal recessive A genetic condition that appears only in individuals who have received two copies of an autosomal gene, one…
- Tracheostomy tube Tracheostomy tube: A 2- to 3-inch metal or plastic tube that keeps the stoma and trachea open. Also called a…
- Proxy, health care A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Achlorhydria A lack of hydrochloric acid in the digestive juices in the stomach (in technical terms, so that the pH of the…
- Hyperemesis gravidarum Excessive vomiting in early pregnancy. Hyperemesis gravidarum, by definition, leads to the loss of 5% or more…
- Acetylsalicylic acid (aspirin) Acetylsalicylic acid (aspirin): Aspirin is a good example of a tradename that has entered into the language…
- Hemolytic uremic syndrome Hemolytic uremic syndrome: A condition characterized by the breakup of red blood cells (hemolysis) and kidney…
- Fear of flowers An abnormal and persistent fear of flowers. Sufferers experience undue anxiety even though they realize they…
- Ankylosing Undergoing ankylosis (stiffening or fusion of a joint)
- HTLV-I Human T-lymphotropic virus type I, often referred to simply as the human T-lymphotropic virus (HTLV). HTLV-II…
- Congenital anemia with spinocerebellar ataxia See: Pagon syndrome