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).
Hiatus hernia
Tal hernia): An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into the chest. NTER> Normally, the esophagus passes down through the chest, crosses the diaphragm, enters the abdomen through a hole in…
Read the definitionRandom terms
Show more- Day sight Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…
- Rectus Usually refers to the rectus abdominis, a large muscle in the front of the abdomen that assists in the…
- Abductor spasmodic dysphonia A disorder in which sudden muscle spasms cause the vocal folds (or vocal cords) to stay open. See: spasmodic…
- Cousin marriage Marriage involving cousins. Everyone carries rare recessive alleles, rare genes that are generally innocuous…
- Injury, cold Cold injuries include chilblains, 'trench foot,' and frostbite. Cold injuries occur with and without freezing…
- Zinc ointment A topical preparation containing zinc that is applied to protect the skin from irritation or sunburn. Zinc…
- EUS Endoscopic ultrasound
- Di- A byproduct of the male hormone testosterone. Dihydrotestosterone (DHT) is considered to be the essential…
- Alopecia capitis totalis Loss of all of the scalp hair. Alopecia means baldness and capitis refers to the head. Alopecia capitis…
- Testicles The testicles (also called testes or gonads) are the male sex glands. They are located behind the penis in a…
- X-linked juvenile retinoschisis See: Juvenile retinoschisis
- Genome, chicken See: Chicken genome