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).
BAC
Abbreviation for bacterial artificial chromosome. An artificially created chromosome in which medium-sized segments of foreign DNA (pieces of DNA 100,000 to 300,000 bases in length from another species) are cloned into bacteria. Once the…
Read the definitionRandom terms
Show more- Endovaginal ultrasound This type of imaging test is a special form of ultrasound developed to examine the pelvic organs and is the…
- DV Blood clotting in the veins of the inner thigh or leg. In air travel, DVT is the "economy-class syndrome."…
- Choana (Plural: choanae) The passageway from the back of one side of the nose to the throat. There are two choanae…
- Smith-Lemli-Opitz syndrome A multiple congenital malformation syndrome caused by an abnormality in cholesterol metabolism, deficiency of…
- Toxic goiter, diffuse Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with…
- ATM Symbol for the ataxia telangiectasia mutated (ATM) gene. The protein made by the ATM gene functions to…
- Brown syndrome An ophthalmology (eye) problem. Brown syndrome is an abnormality that is present at birth (congenitally) and…
- Syndrome, autoimmune polyglandular (APS) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Messenger RNA The key intermediary in gene expression, translating the DNA's genetic code into the amino acids that make up…
- Reflux surgery (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Phlebo- (prefix) Means vein. From the Greek 'phleps', vein, which came from the root 'phlein', to gush or overflow. Appears in…
- Teratophobia Fear of bearing a malformed child. A phobia is an unreasonable sort of fear that can cause avoidance and…