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).
Calcium
A mineral found mainly in the hard part of bones, where it is stored. Calcium is added to bones by cells called osteoblasts and is removed from bones by cells called osteoclasts. Calcium is essential for healthy bones. It is also important…
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Show more- Schistosoma japonicum A species of trematode worm that parasitizes humans and that (like S. mansoni) causes liver and…
- Symphysis pubis The area in the front of the pelvis where the pubic bones (the two bones of the pubis) meet
- Dilating The widening and opening of the cervix caused by uterine contractions
- Rickettsia A member of a group of microorganisms that (like viruses) require other living cells for growth but (like…
- Spongy degeneration of the central nervous system Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central…
- Epidemic The occurrence of more cases of a disease than would be expected in a community or region during a given time…
- Bartholin's glands A pair of glands between the vulva and the vagina that produce lubrication in response to stimulation. With a…
- Achromatopsia An hereditary disorder of sight due to a lack of cone vision - that type of vision provided by the cone…
- Inherited metabolic diseases Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…
- Meningitis, cryptococcal Inflammation of the meninges due to infection with the fungal organism cryptococcus neoformans, which is…
- Genome, cholera See: Cholera genome