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).
Blister, blood
A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle. One that is more than 5 mm in diameter with thin walls and is full of watery fluid is called a bulla or a bleb. The word…
Read the definitionRandom terms
Show more- Rate, mortality A death rate. There are a number of different types of mortality rates as, for examples, the following: >…
- Family therapy A type of psychotherapy designed to identify family patterns that contribute to a behavior disorder or mental…
- Video-assisted resection Surgery that is aided by the use of a video camera that projects and enlarges the image on a television…
- Disease, Kostmann A condition with a lack of neutrophils (a type of white blood cell that is important in fighting infection)…
- Aural vertigo, recurrent A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Premature systole See: Extrasystole
- MCV Abbreviation for mean cell volume, the average volume of a red blood cell. This is a calculated value derived…
- Sebaceous gland A normal gland of the skin which empties an oily secretion into the hair follicle near the surface of the skin
- Ointment A medication preparation that is applied topically (onto the skin). An ointment has an oil base whereas a…
- Diff dx Abbreviation for differential diagnosis, the process of weighing the probability of one disease versus that…
- Pyelonephritis Bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or chronic (slow, subtle, and…
- Periaortic Around the aorta. The aorta is the great artery that comes from the left ventricle of the heart and delivers…