目的：研究人翼外肌肌内神经和肌梭配布特征，以期深入了解翼外肌上、下头的功能特性。
Objective: To study the distribution features of intramuscular nerves and spindles in human lateral pterygoid muscle.
翼内肌由下领神经前干发出的分支支配，可分成低分支型（38例，占63％）和高分支型（22例，占37％）两型。
The innervation of the medial pterygoid muscle can be divided into low branch(38 cases, 63%)and high branch types(22 cases, 37%).
翼内肌由下领神经前干发出的分支支配，可分成低分支型（38例，占63％）和高分支型（22例，占37％）两型。
The innervation of the medial pterygoid muscle can be divided into low branch(38 cases, 63%)and high branch types(22 cases, 37%).
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