There are multiple definitions:

1. heterozygous(English)

   • Genetics

2. herpes zoster(English)

   • PHN
   • Virology, Pain
   • https://doi.org….1002/jmv.24750

3. hypertrophic zone(English)

   • refers to endochondral ossification and growth plate cartilage
   • GPC, PZ, RZ
   • Skeleton and bone (formation)
   • https://doi.org…83.2021.1963606