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.
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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).
Diaphragmatic hernia
Hernia: Passage of a loop of bowel through the diaphragm muscle. This type of hernia occurs as the bowel from the abdomen 'herniates' upward through the diaphragm into the chest (thoracic) cavity. Diaphragmatic hernias may be congenital or…
Read the definitionRandom terms
Show more- Galenic arteriovenous malformation See: Vein of Galen aneurysm
- System, cardiac conduction The electrical conduction system that controls the heart rate. This system generates electrical impulses and…
- Intervening sequence Part of a gene that is initially transcribed from the DNA into the primary RNA transcript but then is excised…
- Hormone, thyroid Chemical substance made by the thyroid gland which is located in the front of the neck. The thyroid gland…
- Alcohol poisoning A condition in which a toxic amount of alcohol (ethanol, ethyl alcohol) has been drunk, usually in a short…
- Organs of reproduction, male >The male external genitalia -- the penis, the male urethra, and the scrotum; and >The male internal…
- Computerized axial tomography scan Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Migraine, abdominal An attack of abdominal pain that may be preceded by a migraine aura and accompanied nausea, vomiting, and…
- Signature 1) That part of the prescription that contains the doctor's directions to the patient. For example, the…
- DNA In the UK, DNA is an abbreviation for "did not attend." (In the US, the term used for a patient who missed an…
- VDRL test A blood test for syphilis (VDRL stands for Venereal Disease Research Laboratory) that detects an antibody…
- Hallux valgus A big toe (the hallux) that is bent outward (valgus) so it overlaps the 2nd toe. A bunion is a localized…