These waves, and the use of yellow outlines to show the presence of sunlight energy in plants and animals, are leitmotifs that continue throughout the series and are part of what help give it cohesion. (booklistonline.com)
Yellow outline indicates the location of the caudate and thalamus. (emoryhealthsciblog.com)
Community Spay - Neuter Clinic began offering 500 free sterilizations for dogs and cats from these neighborhoods (see area of map in yellow outline) over a 12 month period, as well as free rabies and distemper vaccination, and flea and parasite treatment. (communityspayneuterclinic.com)