pastern

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pastern

(pas'tĕrn),
The narrow anatomic region in equids that lies between the enlargement marking terminus of fetlock joint proximally and enlargement adjacent to hoof distally. In comparative anatomy, correlates with base of fingers and toes in humans. Although common term for pastern is ankle, this is a misnomer. The fetlock joint is the metatarsophalangeal in the rear limb, metacarpophalangeal in forelimb.
[M.E. pastron, hobble, fr. Fr. pasture, fr. L. pasco, to pasture]

pastern

(păs′tərn)
n.
1. The part of a horse's foot between the fetlock and hoof.
2. An analogous part of the leg of a dog or other quadruped.
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References in periodicals archive ?
Scientifically, a PASTERN is the part of a horse's foot between the fetlock and the top of the hoof.
"He's a bit short in the back and a bit long in the pasterns, which is why he was relatively cheap for a Sadler's Wells," explained Johnston, who does not anticipate having many runners at next week's Craven meeting at Newmarket.
describing him as "four million dollars worth of long pasterns"
"The vets discovered micro-fractures, tiny, almost imperceptible cracks in his hind pasterns, which are very difficult to diagnose and treat," he said.