Sentence:  In ungulates, this is apparently exaggerated by the presence of the <WSD>eponychia</WSD>, or collagenous pads over the sole of the fetal hoof. 
Meaning of the word marked with <WSD> tags:  The protective capsule that surrounds the hoof of foetuses and neonates of hoofed animals, which disappears soon after birth, but remnants of which remain as part of the permanent hoof.