thenar

• 名词，指手掌基部靠近拇指处的肉质隆起，即大鱼际；广义上也指从手腕到手指根部的手掌内侧面。

A noun referring to the fleshy prominence on the palm at the base of the thumb, or more broadly the inner surface of the hand from the wrist to the base of the fingers.

1. Fleshy area of the palmC2formalmedical

   The fleshy prominence on the palm at the base of the thumb, formed by the underlying muscles.

   鱼际

   • The doctor examined the thenar for signs of swelling.
   • He felt a sharp pain in his thenar after gripping the tool tightly.
   • The thenar muscles are essential for thumb opposition.

2. C2formalmedical

   The entire inner surface of the hand, extending from the wrist to the base of the fingers.

   手掌

   • The thenar region includes the palm and the base of the thumb.
   • Injuries to the thenar can affect grip strength.
   • The thenar is rich in sensory nerve endings.

   同义词palm