buccal

adjective4

1. •
   Of, relating to, near, involving, or supplying the cheek.

   • Obtained buccal epithelium and newly drawn, uncentrifuged blood collected in an EDTA tube were used for analysis of gene expression: a control GAPDH gene and Osteocalcin gene. — 2015
2. •
   Administered in the mouth, not by swallowing but by absorption through the skin of the cheek; often by placing between the top gum and the inside of the lip.
3. •
   Of, relating to, or lying in the mouth.
4. •
   supralaryngeal, not laryngeal or glottal.