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).
La Leche League
An international organization that helps and supports breastfeeding mothers with advice, ideas, and legal and medical advocacy. Founded in 1956 by seven women who had learned about successful breastfeeding while nursing their own babies…
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Show more- P.o. Abbreviation meaning by mouth, orally (from the Latin 'per os', by mouth). One of a number of hallowed…
- Glaucoma, angle-closure Glaucoma, angle-closure: Increased pressure in the front chamber (anterior chamber) of the eye due to sudden…
- STS Commonly used abbreviation for 'sequence tagged site.' A short (200 to 500 base pair) DNA sequence that…
- Inbreeding The mating of two closely related persons. Also called consanguinity.
- Gene amplification Making multiple copies of a gene. Repeated copying of a gene. Gene amplification plays a role in cancer…
- Preauricular tag A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Frenum A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
- Ulcerative gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Water on the brain Known medically as 'hydrocephalus', this is an abnormal buildup of cerebrospinal fluid (CSF) in the…
- Fear of pain An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…
- Hydrocephalus ex-vacuo Hydrocephalus ex-vacuo: What is termed 'hydrocephalus ex-vacuo' occurs when there is damage to the brain…
- Leishmaniasis, visceral See: Visceral leishmaniasis