Initialism of Animal Liberation Front (name used by animal rights activists engaging in direct action).

Pronunciation spelling of half.

A diminutive of the male given names Alfred or Alfonso, from the Germanic languages.

A recombinant form of human activated protein C that has antithrombotic, anti-inflammatory, and profibrinolytic properties.

A recombinant C1 inhibitor obtained from the milk of transgenic rabbits, used to treat acute HAE attacks in adults.

A recombinant form of factor VIII, an essential blood-clotting protein.

A genetically engineered glycoprotein.

A plant-derived enzyme, a recombinant glucocerebrosidase, used to treat Gaucher's disease.

A highly purified solution of recombinant human deoxyribonuclease I (rhDNase), an enzyme which selectively cleaves DNA. It is used to treat cystic fibrosis.

An enzyme-replacement treatment for Batten disease.