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).
Vein, mesenteric
One of the large veins which return blood from the intestines. The inferior (lower) mesenteric vein empties into the splenic vein. The superior (upper) mesenteric vein then joins the splenic vein to create the portal vein which goes to the…
Read the definitionRandom terms
Show more- Paget disease of the breast The combination of scaly skin changes of the nipple resembling eczema and an underlying cancer of the breast…
- Carotenoid One of a group of compounds that includes beta-carotene, alpha-carotene, and beta-cryptoxanthin which are…
- Topical Pertaining to a particular surface area. A topical agent is applied to a certain area of the skin and is…
- Clitoris A small mass of erectile tissue situated at the anterior apex of the vestibule.
- Fever, jail See: Typhus, epidemic
- Disease, Rendu-Osler-Weber See: Hereditary hemorrhagic telangiectasia
- Streptococcus haemolyticus Another name for streptococcus pyogenes
- Paraplegic Pertaining to paraplegia (paralysis of the lower part of the body including the legs)
- Tuberculous meningitis Meningitis due to tuberculosis. Tuberculous meningitis is the most severe form of tuberculosis. It causes…
- Leg, lower The lower leg is the bottom segment of the leg: the part below the knee. The lower leg contains two long…
- Disc, optic The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Cell, T-4 A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…