code: def morphological_skeleton_3d(image):
      return skimage.morphology.skeletonize_3d(image)
  
imports: import numpy
  import skimage.color
  import skimage.morphology
  import centrosome
  import centrosome.threshold
  import scipy
  import matplotlib
label_desc: Use image node_id 10 for calling a global function with example usage: morphological_skeleton_3d(image) and returns: skimage