Artery Composition

Colour by Numbers Activity

Instructions: Review the illustration. This illustration displays the structures comprising an artery.

Task: Colour each numbered structure using the colour indicated in the list below:

  1. tunica externa (orange)
  2. tunica media (dark blue)
  3. tunica intima (red)
  4. smooth muscle (green)
  5. internal elastic membrane (purple)
  6. vasa vasorum (dark blue)
  7. external elastic membrane (grey)
  8. nervi vasorum (yellow)
  9. endothelium (light blue)
  10. elastic fibers (purple)

Image Attribution

The image used in this activity was sourced from OpenStax Anatomy and Physiology OER by Betts, et al., which is licensed under CC BY 4.0. Following OpenStax’s leadership and in the spirit of open education, we have licensed this OER with the same license. 

Image Description

This illustration activity shows the ultrastructure of an artery (from top: tunica externa, tunica media, tunica intima, smooth muscle, internal elastic membrane, vasa vasorum, external elastic membrane, nervi vasorum, endothelium, elastic fiber).