<unk> s are the digits of the foot of an animal. Many animal species such as cats walk on their<unk> s, and are described as being digitigrade. Humans, and other animals that walk on the soles of their feet, are plantigrade; unguligrade animals are those that walk on hooves at the tips of their<unk> s.
The<unk> s are, from medial to lateral:
Big<unk>  (hallux)
Second<unk> 
Third<unk> 
Fourth<unk> 
Little<unk>
Toe
Pawpaw
Claw hand
Thumb
Scalp
Hand
Axilla
Arm