Vyvanse and AdderallâA Comparison. Vyvanse and Adderall are both amphetamines, a type of stimulant medicine. They work in much the same way. They stimulate the nervous system and increase the amount of neurotransmitters such as dopamine and norepinephrine in the brain. Adderall has been around longer than Vyvanse.
Aromatase, also called estrogen synthetase or estrogen synthase, is an enzyme responsible for a key step in the biosynthesis of estrogens. It is CYP19A1, a member of the cytochrome P450 superfamily (EC 1.14.14.1), which are monooxygenases that catalyze many reactions involved in steroidogenesis.
aÂ·roÂ·maÂ·tase. (É-rÅâ²mÉ-tÄzâ², -tÄzâ²) n. A key enzyme in the biosynthesis of steroids, especially in the conversion of androgens to estrogens. [aromat(ic) (because the enzyme increases the number of aromatic carbon rings in the molecular structure of the compounds upon which it acts) + -ase.] aromatase. (ÉËrÉÊmÉËteÉªz)