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).
Water requirements, infant
Water is an important part of a baby's diet because water makes up a large proportion of the baby's body. When properly prepared, all infant formulas are approximately 85% water. Infant formulas are available in three forms: liquid…
Read the definitionRandom terms
Show more- Effusion, pleural See: Pleural effusion
- Erythrocyte A cell that contains hemoglobin and can carry oxygen to the body. Also called a red blood cell (RBC). The…
- Hepar The liver or a preparation made from it. The term hepar is not often used today. It is a direct borrowing of…
- Tamponade, esophagogastric A procedure in which a balloon is inflated within the esophagus or stomach to apply pressure on bleeding…
- Gangrene The death of body tissue due to the loss of blood supply to that tissue, sometimes permitting bacteria to…
- Disease, Castleman A disorder of lymphoid tissue (lymphadenopathy) with massive overgrowth (hyperplasia) of lymph nodes…
- Watermelon stomach Parallel red sores in the stomach that look like the stripes on a watermelon. Frequently seen with cirrhosis…
- Operation Although there are many meanings to the word 'operation', in medicine it refers to a surgical procedure. To…
- Scan, spiral CAT A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines…
- Esophagitis Esophagitis: Inflammation of the esophagus. The esophagus is that soft tube-like portion of the digestive…
- Gain-of-function mutation A mutation that confers new or enhanced activity on a protein. Loss-of-function mutations, which are more…
- Fallopian tube One of the two Fallopian tubes that transport the egg from the ovary to the uterus (the womb). In the…