Word Of The Day
Dorland's Word of the Day is a great way to broaden your knowledge of medical terminology. With a new and interesting term brought to you from the 32nd edition of Dorland's Illustrated Medical Dictionary each day, it's an easy and fun way to increase your medical vocabulary!
You can view a new word on this website each day.
Today's Word
aminopenicillin
any in a group of penicillin derivatives that have an amino group substitution; they have a broad spectrum of activity but are destroyed by ß-lactamase.
Word of the Day Archive
alveologenesis
the formation and development of pulmonary alveoli.
Alpharetrovirus
a genus of the family Retroviridae, characterized by a dense, spherical, symmetrically located inner core. These are not found in humans but can cause serious diseases in other animals. Species include avian leukosis virus and Rous sarcoma virus.
Alphapapillomavirus
a genus of viruses of the family Papillomaviridae that contains several of the human papillomaviruses.
aldosterone synthase deficiency
a disorder of steroidogenesis caused by mutations in the CYP11B2 gene (locus: 8q21) that result in a deficiency of aldosterone synthase activity, impairing the biosynthesis of aldosterone and causing salt wasting. It occurs as two types: type I, in which decreased hydroxylation of corticosterone results in corticosterone and deoxycorticosterone accumulation, and type II, in which decreased oxidation of the 18-hydroxy intermediate results in elevated levels of this compound and corticosterone. Called also corticosterone methyl oxidase deficiency.
alariasis
infection of the intestines with the trematode Alaria.
agraphesthesia
inability to recognize characters drawn on the skin, a form of tactile agnosia; called also graphanesthesia.
aeroallergen
an airborne particle capable of producing an allergic reaction in sensitized individuals.