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.
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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).
Menstruation, retrograde
The flow of menstrual blood from the uterus into the fallopian tubes, and potentially into the abdomen. This condition can lead to endometriosis
Read the definitionRandom terms
Show more- Retinoschisis, X-linked juvenile See: Juvenile retinoschisis
- Yawning Involuntary opening of the mouth with respiration, breathing first inward, then outward. Yawning is often…
- Cytosis 1. Suffix referring to cells, as in anisocytosis (inequality in the size of red blood cells), elliptocytosis…
- Nephrotic syndrome, minimal change See: Minimal change disease
- Dysgraphia A specific developmental disability that affects the person's ability to write. Problems may include…
- Minor anomaly An unusual anatomic feature that is of no serious medical or cosmetic consequence to the patient. A minor…
- Retrosternal Behind the sternum (the breastbone)
- Polycythemia vera (PV) Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). PV…
- Kb Abbreviation for kilobase
- External ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The…
- House officer A resident physician and surgeon of a hospital (the 'house') who is receives further training, usually in a…
- Monte Carlo simulation A statistical method used in biomedical research, involving computer simulation in which data are randomly…