Cardiac pacemaker heart. There are 3 main stages in the generation of an action potential in a pacemaker cell. Since the stages are analogous to contraction of cardiac muscle cells, they have the same naming system. This can lead to some confusion. There is no phase 1 or 2, just phases 0, 3, and 4. The key to the rhythmic firing of pacemaker cells is that, unlike other neurons in the body, these cells will slowly depolarize by themselves and do not need any outside innervation from the autonomic nervous system to fire action potentials. As in all other cells, the resting
Maite (given name) to: Maite (given name) Maite ( ) is a female given name of Basque origin meaning "love". It has become a popular name throughout Spanish-language countries, where it is usually stressed on the first syllable. Alternatively, it is also the Spanish nickname (sort of a contraction) for both "María Teresa" and "María Esther", in which case it is most frequently stressed on the last syllable and spelled with y, thus Mayté. It is also used as a proper name in the Portuguese-speaking Brazil in the forms of Maitê and Maytê (both pronounced /maj'te/), stressed on the last syllable. Mayte may