Glossary
![Roe Deer Fawn Capreolus capreolus](../../../../images/content%20images/Resampled/C/Roe%20Deer%20Fawn%20Capreolus%20capreolus%20All.jpg)
Hoof
The tough sheath that covers the tip of a digit of an ungulate.
Made from a hard, horny protein keratin.
Hooves or hoofs (pl.)
![Horse Hoof](../../../../images/content%20images/Small%20Left%20Pane%20Images/Horse%20Hoof%20Very%20Small.jpg)
Made from a hard, horny protein keratin.
Hooves or hoofs (pl.)
![Horse Hoof](../../../../images/content%20images/Small%20Left%20Pane%20Images/Horse%20Hoof%20Very%20Small.jpg)
Paraxonic
Symmetry, skeletal axis and weight pass through enlarged third (III) and fourth (IV) digits.
The other digits are reduced to the extent that they do not bear any weight.
![](../../../../images/content%20images/Small%20Left%20Pane%20Images/Paraxonic%20Roe%20Deer%20Fawn%20Capreolus%20capreolus%20Extreme%20Close-up.jpg)
The other digits are reduced to the extent that they do not bear any weight.
![](../../../../images/content%20images/Small%20Left%20Pane%20Images/Paraxonic%20Roe%20Deer%20Fawn%20Capreolus%20capreolus%20Extreme%20Close-up.jpg)
Mesaxonic
Symmetry, skeletal axis and weight pass through an enlarged third (III) digit.
The other digits are reduced to the extent that they do not bear any weight.
![](../../../../images/content%20images/Small%20Left%20Pane%20Images/Rhinoceros%20rhino%20three%20toes%20Small.jpg)
The other digits are reduced to the extent that they do not bear any weight.
![](../../../../images/content%20images/Small%20Left%20Pane%20Images/Rhinoceros%20rhino%20three%20toes%20Small.jpg)
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