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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Haemophilus influenzae type B
This kind of immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria responsible for a range of serious "invasive" diseases including meningitis with potential brain damage and epiglottitis…
Read the definitionRandom terms
Show more- Lithotriptor A stone crushing machine used to shatter kidney stones and gallstones by physical or other means such as with…
- Effects, fetal rubella The constellation of abnormalities, also called the rubella syndrome, caused by infection with the rubella…
- Pains, growing Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…
- Barium enema Barium enema: A series of x-rays of the lower intestine (colon) and rectum that are taken after the patient…
- PAT Paroxysmal atrial tachycardia
- Scrub in To wash the hands and forearms very thoroughly, as for surgery. To scrub in implies the use of a brush (and…
- Allergic rhinitis Medical term for hay fever, a condition due to allergy that mimics a chronic cold. (Hay fever is a misnomer…
- Yersinia pestis genome See: Plague bacterium genome
- Syndrome, Conn Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…
- CD4 count, absolute See: Absolute CD4 count
- Iridectomy, peripheral See Peripheral iridectomy
- Medulla The innermost part. The adrenal medulla is the innermost part of that gland. The renal medulla is the inner…