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).
Therapy, biological
Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease. Biological therapy is thus any form of treatment that uses the body's natural abilities that constitute the immune system to fight…
Read the definitionRandom terms
Show more- Hypnopompic hallucination A vivid dreamlike hallucination that occurs as one is waking up. The opposite of an hypnagogic hallucination…
- Stricture An abnormal narrowing of a body passage, especially a tube or a canal. The stricture may be due, for example…
- Vision, low Visual loss that cannot be corrected with eyeglasses or contact lenses and that interferes with daily living…
- Ampulla In anatomy, a sac-like enlargement of a canal or duct. The ampulla of Vater is the enlargement of the ducts…
- Cephalic disorder A congenital condition that stems from damage to, or abnormal development of, the budding nervous system…
- Anal fissure Anal fissure: Common tear in the anal canal. Anal fissure is a common cause of red blood in the stool.
- Contraceptive device, intrauterine (IUD) A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop…
- Spina bifida occulta A bony defect in the vertebral column that causes a cleft in that column. The cleft remains covered by skin…
- Fear of feces El waste): An abnormal and persistent fear of feces (bowel waste). Sufferers of this fear experience anxiety…
- Laryngitis Laryngitis is an inflammation of the larynx, the portion of the airway (respiratory tract) containing the…
- Cancer, cervical See: Cervical cancer
- Computed tomography colography See: Virtual colonoscopy