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).
Virginal membrane
A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is usually present at birth at the orifice of the vagina. In medicine, it is called the vaginal membrane or the hymen. Hymen is a…
Read the definitionRandom terms
Show more- Lysosome An organelle (a little organ) in a cell containing enzymes that degrade macromolecules (large molecules) and…
- Ear infection, middle (acute) Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Meltdown, genetic A genomic crisis due to an extraordinarily high rate of mutation, a phenomenon known to occur in viruses and…
- Bevacizumab Generic name for a monoclonal antibody anticancer drug. See: Avastin
- Papilledema Swelling of the head of the optic nerve, a sign of increased intracranial pressure. The optic nerve head…
- Lancet, The A weekly medical journal headquartered in London. Published uninterruptedly and with the same title since…
- Behcet's disease See: Behcet's syndrome
- Ileus, paralytic Paralysis of the intestine. To be termed 'paralytic ileus,' the intestinal paralysis need not be complete…
- Optic disc The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Juvenile Between infantile and adult as, for example, in juvenile rheumatoid arthritis (onset before age 16 years) and…
- Thymus and parathyroids, hypoplasia of See: DiGeorge syndrome
- Radionuclide stress test A procedure that involves injecting a radioactive isotope, typically thallium or cardiolyte, into the…