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).
Syndrome, Zellweger
A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of peroxisomes (cell structures that rid the body of toxic substances) in the cells of the liver, kidneys, and brain. Zellweger…
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Show more- Childhood ataxia with CNS hypomyelinization Ataxia with central nervous system hypomyelinization: An inherited brain disease that occurs mainly in…
- Antegrade amnesia Amnesia in which the loss of memory relates to events that occur after a traumatic event. There is inability…
- Vertigo, recurrent aural A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Kissing bug The insect that transmits the parasite Trypanosoma cruzi, which causes Chagas disease (American…
- Dwarfism, pituitary Dwarfism caused by a lack of growth hormone, usually due to malfunction of the pituitary gland. Children with…
- Tomograph The apparatus for generating a tomogram, a two-dimensional image of a slice or section through a…
- Amenia Better known as amenorrhea, amenia is the absence or cessation of menstruation. Amenorrhea is conventionally…
- Circum- Prefix meaning around, surrounding, or encircling. As in circumcision, circumflex, and circumjacent. From the…
- Exercise test A test (sometimes called the treadmill test or exercise treadmill test) in which a continuous…
- Acute abdomen The abrupt (acute) onset of abdominal pain. A potential medical emergency, an acute abdomen may reflect a…
- Allogeneic Taken from different individuals of the same species. Two or more individuals are said to be allogeneic to…
- Radioiodine An isotope of the chemical element iodine that is radioactive. Radioiodine is used in diagnostic tests as…