顎 - jaw, chin, gill

jaw; chin

maxilla; upper jawbone

chin; jaw

wearing a face mask over one's chin

temporomandibular joint disorder; temporomandibular joint dysfunction; TMD; TMJ

jawbone; mandible

to have a protruding chin; to have a turned-up chin

chaetognath (any worm of phylum Chaetognatha)

submandibular gland; submaxillary gland

maxillary artery

prognathism

jaw joint; temporomandibular joint; TMJ