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. 2018 May 15;45(3):214–221. doi: 10.5999/aps.2017.01193

Fig. 1. Difference of tear trough and nasojugal groove.

Fig. 1.

Tear trough deformities are located between the palpebral and orbital parts of the orbicularis oculi, and the location of the nasojugal groove corresponds to the inferior border of the orbicularis oculi. Blue dashed line, tear trough deformity; red dashed line, nasojugal groove; OF, orbital fat; OS, orbital septum; SOOF, sub orbicularis oculi fat; PO, palpebral part of the orbicularis oculi muscle; LLSAN, levator labii superioris alaeque nasi muscle; MFP, malar fat pad; OOM, orbicularis oculi muscle.