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.
- 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).
Psoas
Muscles of the lower back (the loin). There are two psoas muscles on each side of the back. The larger of the two is called the psoas major and the smaller the psoas minor. The psoas major originates at the spine around the bottom of the…
Read the definitionRandom terms
Show more- Fever, typhus See: Typhus
- RXT Medical abbreviation for radiotherapy
- Condition, Sever Inflammation of the growth plate of the calcaneus, the bone at the back of the heel. The inflammation is at…
- Chloral hydrate A prescription sedative/hypnotic drug developed in the 19th century. The drug acts rapidly and induces sleep…
- Nail cross furrows See: Beau's lines
- Clot, blood See Blood clot
- Cryoprobe A surgical probe, a long slender pointed surgical instrument, used to apply extreme cold to tissues. From…
- Mallet The malleus
- Polysomnography Continuous recording of specific physiologic variables during sleep. Polysomnography typically records brain…
- Selenium excess See Excess selenium
- Insulin Insulin: A natural hormone made by the pancreas that controls the level of the sugar glucose in the blood…
- Blood culture A test designed to detect if microorganisms such as bacteria and fungi are present in blood. A sample of…