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).
Ecchymosis
The skin discoloration caused by the escape of blood into the tissues from ruptured blood vessels. Ecchymoses can similarly occur in mucous membranes as, for example, in the mouth
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Show more- Wolframin A protein encoded by a gene known as WFS1. Mutations in WFS1 are associated with Wolfram syndrome and also…
- Sleeplessness Insomnia. See also Fatal familial insomnia
- Fecund Fruitful, abundantly fertile. Just as a writer is prolific, a woman may be fecund, able to reproduce…
- Cranial nerve, third The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the…
- Polymorphonuclear leukocyte A type of white blood cell with a nucleus that is so deeply lobated or divided that the cell looks to have…
- Ecstatic Pertaining to ecstasy, a state of rapture and trancelike elation
- Progestin Any one of a group of steroid hormones that have the effect of progesterone
- Deficiency, ankyrin Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane…
- Dysplasia, bronchopulmonary See: Bronchopulmonary dysplasia
- Journal of the National Cancer Institute Cancer Institute: A medical journal sponsored by the National Cancer Institute (NCI), one of the National…
- Duct A passage or a tube with well-defined walls suitable for the conveyance of air or liquids, as the bile duct…
- Natural family planning Also known as fertility awareness, periodic abstinence and the rhythm method, this approach entails not…