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.
- 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).
Motor neuron disease
A group of neurological diseases characterized by steadily progressive deterioration of the motor neurons in the brain, brainstem and spinal cord that send instructions in the form of electrical impulses to the muscles, leading to muscle…
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Show more- Aflatoxin A toxin produced by mold that can damage the liver and may lead to liver cancer. Aflatoxins cause cancer in…
- Solar keratosis Synonymous with actinic keratosis. See: Keratosis, actinic
- Acclimatization to altitude The main cause of altitude sickness is going too high too fast. Given time, the body can adapt to the…
- Tear gland The gland that makes tears. An abnormality of the tear glands can impair the production of the tears and lead…
- Acoustic neurinoma A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Toc- (prefix) Stemming from the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining…
- Bullae More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls…
- Abatement A diminution, decrease or easing. In medicine there may be abatement of pain or any other symptom or sign. In…
- Chargaff ratios See: Chargaff rule
- Strontium ranelate An agent consisting of two atoms of stable strontium and ranelic acid. Strontium ranelate stimulates the…
- DNR Do not resuscitate. See also Advance medical directives
- Urinary incontinence Urinary incontinence: The unintentional loss of urine. Inability to hold urine in the bladder due to loss of…