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Spinal nerve roots, myotomes, dermatomes, and reflexes

Spinal nerve roots, myotomes, dermatomes, and reflexes — Brain and spinal cord
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After Morris's Human Anatomy; modernized for Neuro.Wiki

About this plate

Spinal nerve roots, myotomes, dermatomes, and reflexes. Lateral view of the spinal cord.

Region
spinal cord
Structure
spinal nerve root
View
lateral
System
peripheral nerves, muscle
Focus
spinal nerve roots, myotomes, dermatomes, segmental reflexes

Structures labelled on this plate

  • Sterno-mastoid
  • Trapezius
  • Diaphragm
  • Serratus
  • Shoulder
  • Arm
  • musc
  • Hand
  • (ulnar lowest)
  • Intercostal muscles
  • Abdominal Muscles
  • Flexors, hip
  • Extensors, knee
  • Adductors
  • hip
  • Abductors
  • Extensors (?)
  • Flexors, knee (?)
  • Muscles of leg moving foot
  • Perineal and anal muscles
  • Neck and scalp
  • Neck and shoulder
  • Front of thorax
  • Xiphoid area
  • Abdomen (Umbilicus 10th)
  • Buttock, upper part
  • Groin and scrotum (front)
  • Lateral side
  • Thigh
  • front
  • Medial side
  • Leg, medial side
  • Buttock, lower
  • Back of thigh
  • Leg and foot
  • except medial part
  • Perineum and anus
  • Skin from coccyx to anus
  • Scapular
  • Epigastric
  • Abdominal
  • Cremasteric
  • Knee-joint
  • Gluteal
  • Foot-clonus
  • Plantar

Source: After Morris's Human Anatomy (1918). Public domain (Morris's Human Anatomy, 1918), modernized rendering.