/'pæstən; `pæstɚn/
n part of a horse's foot between the fetlock and the hoof （马的）系部. =>illus at horse 见 horse 插图.

The pastern is a part of the leg of a horse between the fetlock and the top of the hoof. It incorporates the long pastern bone (proximal phalanx) and the short pastern bone (middle phalanx), which are held together by two sets of paired ligaments to form the pastern joint (proximal interphalangeal joint).