The plane of surgical anesthesia during ether anesthesia is defined as
Refer KDT 7th/373 The plane of surgical anesthesia during ether anesthesia is defined as from onset of regular respiration to cesssation of spontaneous breathing
Loss of consciousness
Loss of consciousness to the onset of spontaneous respiration
From onset of regular respiration to cessation of spontaneous breathing
Absence of reflexes
Anesthesia