Practice Essentials. The term âpernicious anemiaâ is an anachronismâit dates from the era when treatment had not yet been discovered, and the disease was fatalâbut it remains in use for megaloblastic anemia resulting from vitamin B12 deficiency due to lack of intrinsic factor (IF).
The definition of a fan is  a person who is very enthusiastic about someone or something, or a device that moves and cools the air. An example of a fan is a person who only wears gold and red in support of the San Francisco 49ers. An example of a fan is an electrical device with moving blades that cools air.
The term Furry is used to describe the Furry Fandom or an individual Furry fan, also referred to as Furries. The Furry Fandom grew out of the science fiction and fantasy communities as a unique group focused on anthropomorphic animals and creatures.ome are Therians or people with strong personal or spiritual connections to animals similar to some Native American cultures. Because the Furry Fandom encompasses such a wide range of people and interests, to term someone as a Furry is similar to calling someone a Sports Fan.