perpendicular plate


per·pen·dic·u·lar plate

noun \ˌpər-pən-ˈdik-yə-lər-\

Definition of PERPENDICULAR PLATE

1
: a flattened bony lamina of the ethmoid bone that is the largest bony part assisting in forming the nasal septum
2
: a long thin vertical bony plate forming part of the palatine bone—compare horizontal plate

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