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).
Endovaginal ultrasound
This type of imaging test is a special form of ultrasound developed to examine the pelvic organs and is the best test for diagnosing an ovarian cyst. A cyst can be diagnosed based on its appearance on the ultrasound. An endovaginal…
Read the definitionRandom terms
Show more- Juvenile rheumatoid arthritis See: Arthritis, systemic-onset juvenile rheumatoid
- Spondylolysis The breaking down (dissolution) of a portion of a bony building block of the spine (a vertebra). The portion…
- Simian crease A single transverse palmar crease, a minor variation associated with Down syndrome (trisomy 21). Also called…
- Acinus, pulmonary The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a…
- Malabsorption The impaired absorption by the intestines of nutrients from food. Malabsorption can be specific and involve…
- Plaque psoriasis The most common form of psoriasis -- about 80% of people with psoriasis have this type. Plaque psoriasis can…
- Acute mountain sickness (AMS) Acute mountain sickness (AMS) is the effect on the body of being in a high altitude environment. AMS is…
- Influenza vaccination priorities The influenza (flu) vaccine is recommended for persons at high risk for serious complications from influenza…
- Forceps An instrument with two blades and a handle used for handling, grasping, or compressing. Many types of forceps…
- Lactate dehydrogenase (LDH) An enzyme that catalyzes the conversion of lactate to pyruvate. This is an important step in energy…
- Geriatrics The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and…
- Power outage and the heat When power goes out, water purification systems may not be functioning fully. Use bottled water for eating or…