[Plate 161, Parasympathetic Nervous Sytem: Schema]Vertebrae and corresponding structures
Level Corresponding Structure
C2-C3 Mandible
C3 Hyoid bone
C4-C5 Thyroid cartilage
C6 Cricoid cartilage
C7 Vertebra prominens
T3 Spine of scapula
T4/5 Sternal angle (of Louis)
T7 Inferior angle of scapula
T8 Inferior vena cava pierces diaphragm
T10 Xiphisternal junction
T10 Esophagus enters stomach
T12 Aorta passes behind diaphragm
L1/2 Spinal cord ends (cauda equina starts)
L3 Subcostal plane
L3-L4 Umbilicus
L4 Bifurcation of aorta
L4 Iliac crests-supracristal line
S2 End of dural sac
S2 Level of posterior superior iliac spines