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.
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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).
Aggressive
In oncology, quickly growing, tending to spread rapidly. As, for example, an aggressive tumor
Read the definitionRandom terms
Show more- Gray syndrome See: Gray baby syndrome
- Muscular dystrophy, congenital A form of muscular dystrophy that is present at birth. Various types of congenital MD have been identified…
- Tenesmus Straining, especially long-continued, ineffectual and painful straining, at stool or in urination. Straining…
- Rate, basal metabolic A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- GOLD-0 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- Mucopolysaccharidosis type IIIB Sanfilippo syndrome due to deficiency of the enzyme alpha-N-acetylglucosaminidase. See also…
- DNA, coding A sequence of DNA that codes for protein. Coding DNA sequences are separated by long regions of DNA called…
- Medical Repository The first medical magazine and the first scientific journal published in the United States. The Medical…
- Aldrin See: Aldrin and dieldrin
- Virology The study of viruses
- Optic nerve head The circular area in the back of the inside of the eye where the optic nerve connects to the retina
- Clinical aspirin resistance The inability of aspirin to protect a person from cardiovascular events such as heart attacks and strokes