Izintambo zikagesi ezishukumisa izintambo zokudlulisa amasignali kagesi ukuze zivuselelwe ngokunembile. Isetshenziswa kakhulu emikhakheni yezokwelapha efana nokulungisa izinzwa nokuvuselela ukusebenza kwemisipha, kanye nasocwaningweni lwesayensi lwezifundo ze-biological tissue electrophysiology.