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).
Hecht syndrome
A striking genetic disorder in which abnormally short muscles in the jaw make it impossible to open the mouth fully (trismus) and abnormally short muscles in the hands keep the fingers straight when the hand is flexed back…
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Show more- Aura A premonition. There is often an aura before a migraine or a grand mal seizure. The aura, a symptom of brain…
- Cervical cerclage The surgical placement of a purse-string suture around an incompetent cervix, one that is abnormally liable…
- Von Recklinghausen disease Neurofibromatosis type 1
- Pleiotropic cytokine Cytokine that affects the activity of multiple cell types. A cytokine is a small protein that has a specific…
- Hip dislocation, congenital The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Amino acid, nonessential An amino acid that can be made by humans and so is not essential to the human diet. There are 11 nonessential…
- Hemolytic jaundice, congenital Jaundice, congenital: Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red…
- Tuberous sclerosis 2 The TSC2 gene involved in causing the disease tuberous sclerosis. See: TSC2
- Acoustic Having to do with sound or hearing. The acoustic nerve (the 8th cranial nerve) is concerned with hearing and…
- Mutism, akinetic A state in which a person is unspeaking (mute) and unmoving (akinetic). A textbook on clinical neurology…
- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Acid reflux A common condition and an abnormal one in which acid in the stomach rises up into the esophagus. This occurs…