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).
Disease, sickle cell
A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S. Hemoglobin is the molecule in red blood cells that transports oxygen from the lungs to the farthest reaches of the body. Sickle cell…
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Show more- Parasitosis Infestation or infection with parasites. See also: Delusional parasitosis
- Geriatric medicine The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and…
- Mortality rate, infant The number of children dying under a year of age divided by the number of live births that year. The infant…
- Gastroesophageal Pertaining to both the stomach and the esophagus, as in the gastroesophageal junction, the place where the…
- Mucopolysaccharidosis type II Hunter syndrome, due to deficiency of the enzyme iduronate sulfatase. See also: Mucopolysaccharidosis
- Aneurysm, saccular An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Arthritis, Lyme Inflammation of the joints associated with Lyme disease, a bacterial disease spread by ticks
- Pianist's cramp A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs when playing the…
- Disease, Meniere A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms…
- Acute stress disorder The anxiety and behavioral disturbances that develop within a month of exposure to extreme trauma. The…
- Randomized The use of chance alone to assign the participants in an experiment or trial to different groups in order to…
- Internal radiation therapy Radiation therapy in which radioactive material is placed in or near a tumor