posterior triangle

短语

后三角

词形变化

posterior triangles 复数 posterior triangles

释义与例句

n.
  1. 1.

    A triangular region that is a landmark in the neck, has its apex above at the occipital bone, and is bounded in front by the sternocleidomastoid muscle, behind by the anterior margin of the trapezius, and inferiorly by the middle third of the clavicle.

    后三角

    医学