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).
Respiratory rate
The number of breaths per minute or, more formally, the number of movements indicative of inspiration and expiration per unit time. In practice, the respiratory rate is usually determined by counting the number of times the chest rises or…
Read the definitionRandom terms
Show more- Endometriosis interna Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- MCAT The Medical College Admissions Test, a test that is required of all applicants to medical school in the U.S…
- ZIFT Stands for zygote intrafallopian transfer, a method used to treat infertility in which an egg fertilized in…
- Lower segment Cesarian section (LSCS) A Cesarian section in which the surgical incision (cut) is made in the lower segment of the uterus
- Upper respiratory infection An infection of the upper part of the respiratory system which is above the lungs. An upper respiratory…
- Frame, open reading See: Open reading frame
- Ricketts, Howard T. American pathologist and pioneering infectious disease expert (1871-1910) who was the first to establish the…
- Arcus senilis A cloudy opaque arc or circle around the edge of the eye, often seen in the eye of the elderly.
- Sleep, twilight Sleep, twilight: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory)…
- Angiotensin converting enzyme 2 An enzyme, abbreviated ACE2, that is an essential regulator of heart function. It may also be involved in the…
- Syndrome, Stein-Leventhal >Irregular or no periods >Acne >Obesity, and >Excess hair growth. All women with PCO have irregular or no…
- Hepatic hemangioma Hepatic hemangioma: A common benign tumor of the liver made up of small blood vessels. It is 4-6 times more…