Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Lamina I comprises four physiologically distinct cell types. Sample traces show representative responses to a 900 ms step depolarization. Tonic cells fire regularly throughout the stimulus. Phasic cells respond with a high-frequency burst of variable duration. Delayed-onset cells produce irregularly timed spikes, typically after a long delay from the onset of stimulation. Single-spike cells produce only one spike at the onset of stimulation.
