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).
Omphalocele
A birth defect in which part of the intestine, covered only by a thin transparent membrane, protrudes outside the abdomen at the umbilicus. The underlying error is a failure during embryonic development for a section of the intestines (the…
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Show more- Contraction, uterine The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- Electrocoagulation The coagulation (clotting) of tissue using a high-frequency electrical current applied locally with a metal…
- Concatenate To link together in a chain or in a series. For example, the lymph nodes that appeared enlarged were…
- Carcinoma, Merkel cell Carcinoma, Merkel cell: An infrequent but highly malignant type of skin cancer. Characteristically starts in…
- Posterior pituitary The back portion of the pituitary, a small gland in the head called the master gland. The posterior pituitary…
- Coprolith See: Fecalith
- Recurrent abortion The occurrence of 3 or more miscarriages (which are medically termed 'spontaneous abortions') with no…
- Palliate To treat partially and incompletely. To palliate a diseases is to treat it partially but not cure it…
- Nephritis, acute Sudden inflammation of the kidney. Diagnosis is by finding blood or protein in the urine. There is often…
- Skin calipers A simple method for determining the lean body mass. This method involves measuring the skinfold thickness of…
- OPV Oral polio vaccine. See Polio vaccine, oral
- Altitude illness >If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If…