Usually the anterior surface of the hand is called the volar or palmar surface and the inferior surface of the foot is called the plantar surface or sole.

通常将手的前面称为掌面或手掌，脚的下面称为跖面或足底。

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At 1 day before operation, all rats were tested regarding the withdrawal threshold of the left plantar surface using von Frey filaments to determine baseline values.

手术前1天，所有大鼠均用冯弗雷(von Frey)纤维刺激左足底来测试肢体回缩，建立肢体回缩的基准值。

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