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).
Mania
An abnormally elevated mood state characterized by such symptoms as inappropriate elation, increased irritability, severe insomnia, grandiose notions, increased speed and/or volume of speech, disconnected and racing thoughts, increased…
Read the definitionRandom terms
Show more- International AIDS Vaccine Initiative See: IAVI
- Left hepatic duct The duct that drains bile from the left half of the liver and joins the right hepatic duct to form the common…
- Bone, ethmoid See: Ethmoid bone
- RBC Short for red blood cells, the cells that carry oxygen and carbon dioxide through the blood. This rather…
- Polydipsia Excessive thirst all the time. Polydipsia occurs, for example, in untreated or poorly controlled diabetes…
- Floppy baby syndrome A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…
- Hysterectomy, complete Hysterectomy, complete: Complete surgical removal of the uterus and cervix. Also called a total hysterectomy
- Modafinil Modafinil: An oral drug first approved by the FDA in 1998 for the treatment of narcolepsy, a condition in…
- Phacoemulsification A procedure in which the lens clouded by a cataract is broken up by ultrasound, irrigated, and suctioned out…
- Pachymeninges The dura. From pachy- (thick) + -meninges (membranes). The singular is pachymeninx
- Inheritance, Y-linked Inheritance of genes on the Y chromosome. Since only males normally have a Y chromosome, Y-linked genes can…
- Keloid Keloid: A scar that doesn't know when to stop. When the skin is injured, cells grow back to fill in the gap…