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).
Longitudinal section
A section that is cut along the long axis of a structure. The opposite is a cross section
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- Phlebo- (prefix) Means vein. From the Greek 'phleps', vein, which came from the root 'phlein', to gush or overflow. Appears in…
- Prenatal diagnosis Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or…
- Cotinine The major metabolite (breakdown product) of nicotine. Exposure to nicotine can be measured by analyzing the…
- Gingivitis, phagedenic This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Cyclooxygenase-1 inhibitor See: Cox-1 inhibitor
- G G stands for guanine, one member of the base pair G-C (guanine-cytosine) in the DNA. The other base pair in…
- D & C Dilatation and curettage, a minor operation in which the cervix is expanded enough (dilatation) to permit the…
- Fiber, soluble and insoluble Fiber: Fiber (the portion of plants that cannot be digested by the human digestive tract) is classified as…
- Presentation, vertex In a vertex presentation, the top of the baby's head comes first at delivery. The vertex here refers…
- Lab Short for a laboratory (or a Labrador retriever)
- Recurrent respiratory papillomatosis Recurrent respiratory papillomatosis involves the growth of numerous warty growths in the larynx on the vocal…