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).
Hydatid disease, alveolar
A tumor that forms in the uterus as a mass of cysts resembling a bunch of grapes. Moles occur during the childbearing years. They do not spread outside of the uterus. However, a malignancy called choriocarcinoma may start from a…
Read the definitionRandom terms
Show more- Sperm motility The percentage of all moving sperm in a semen sample. In a semen sample, 50% or more of the sperm should…
- RVF 1. Rift Valley fever, the disease and the virus that causes it.2. Right ventricular failure, failure of the…
- Soft tissue sarcoma A malignant tumor that begins in the muscle, fat, fibrous tissue, blood vessels, or other 'soft' supporting…
- Hormone, thyroid Chemical substance made by the thyroid gland which is located in the front of the neck. The thyroid gland…
- Adeno- Prefix referring to a gland, as in adenoma and adenopathy. From the Greek aden meaning originally 'an acorn'…
- Idiopathic sclerosing cholangitis See: Primary sclerosing cholangitis
- Disorder, attention deficit (ADD) An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the…
- Rib >True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true…
- Mesodermal Pertaining to the mesoderm or to tissues derived from the mesoderm
- Tenesmus Straining, especially long-continued, ineffectual and painful straining, at stool or in urination. Straining…
- Amaurotic familial idiocy An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance…
- Pauling, Linus The alpha helix, the structure of most proteins, discovered by Linus Pauling and Robert Corey. See: Alpha…