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).
Pituitary gigantism
Excessive growth and too much height due to chronic overactivity of the pituitary gland which is located at the base of the brain. (Growth hormone is specifically made by the anterior pituitary gland.) In pituitary gigantism, there is…
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Show more- Mitral valve prolapse Mitral valve prolapse: Drooping down or abnormal bulging of the mitral valve's cusps backward into the atrium…
- Enucleation The surgical removal of an eye. Enucleation is only done under drastic circumstances such as to remove a…
- Wolfram syndrome A genetic neurodegenerative disease that leads to many different abnormalities including diabetes insipidus…
- KID syndrome Acronym for the Keratitis- Ichthyosis-Deafness syndrome, a genetic disorder. See…
- Fluorescent microscope A microscope equipped to examine material that fluoresces under ultraviolet light. Fluorescence microscopy is…
- Digit, supernumerary An extra finger or toe
- Hydrogen The most plentiful element in the universe and one present in all organic compounds. Hydrogen is a gas with…
- Leukotriene One of a group of hormones that cause the symptoms of hayfever and asthma. Derived from arachidonic acid, the…
- Jackson, John Hughlings See: Hughlings Jackson, John
- Dehisce To burst open or gape. A surgical wound may partially or completely dehisce after surgery, depending upon…
- Male gonad The male gonad, the testicle (or testis), located behind the penis in a pouch of skin (the scrotum). The…
- Caveola An tiny pit, grotto, depression, incupping in the surface of a cell. The name 'caveola' means little cave…