noun, noun which may take the genitive case particle 'no'
plantigrade
Technical term in zoology describing animals that walk with the entire sole of the foot on the ground, such as humans and bears.
ヒトは蹠行性の動物である。
Humans are plantigrade animals.
蹠行性の歩き方は、かかとまで地面につける。
A plantigrade gait involves placing the heel on the ground.
蹄行性 (unguligrade) describes walking on hooves, as in horses and deer, contrasting with the sole-based gait of 蹠行性.
From 蹠 (sole of the foot) + 行 (walking) + 性 (-ness, property). A Sino-Japanese compound used in zoological classification.