Structures · Spinal cord segments

Co1 spinal cord segment

The piece of spinal cord that gives rise to the Co1 pair of spinal nerves. Segment names use the spinal cord level system, which does not line up with the vertebrae.

Show in the 3D spine See what it connects to in the body

At a glance

Level system: Co1 segment (spinal cord level)
In the model: Not drawn as a separate piece of cord at this level (the lowest segments are merged into the cord tip)
Its nerve: The Co1 nerve leaves through the sacral hiatus.Betts et al. 2022, §13.4

What the sources say

“The posterior horn is responsible for sensory processing.” Betts et al. 2022, §13.2

“The anterior horn sends out motor signals to the skeletal muscles.” Betts et al. 2022, §13.2

For learning only. Levels and sizes vary between people; nothing here describes a particular person or gives medical advice. Sources: Betts et al. 2022, §13.2; Betts et al. 2022, §13.4.