the condition of being ignorant; the want of knowledge in general, or in relation to a particular subject; the state of being uneducated or uninformed. Ignorance (noun). a willful neglect or refusal to acquire knowledge which one may acquire and it is his duty to have. Origin: [F., fr.
Monoamine oxidase inhibitors (MAOIs) are a class of medication used to treat depression. They were introduced in the 1950s as the first drugs for depression. Today, theyâre less popular than other depression medications, but some people benefit from their use.
1 Monoamine oxidase inhibitors (MAOIs) include Emsam, Marplan, Nardil, and Parnate. 2  These drugs seem to work a little differently. 3  Monoamine oxidase is a natural enzyme that breaks down serotonin, epinephrine, and dopamine. 4  MAOIs block the effects of this enzyme. Monoamine oxidase inhibitors (MAOIs) include Emsam, Marplan, Nardil, and Parnate. 2  These drugs seem to work a little differently. 3  Monoamine oxidase is a natural enzyme that breaks down serotonin, epinephrine, and dopamine. 4  MAOIs block the effects of this enzyme.