Glossary
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Vestigial
Remaining as a remnant or trace of a structure that had been present in the ancestors of a species.
Often the original functionality is (to some degree) now lacking, and the structure has become rudimentary or degenerate.
Often the original functionality is (to some degree) now lacking, and the structure has become rudimentary or degenerate.
Digit
Distal parts of a limb, such as fingers or toes.
These are named and identified by Roman numerals.
In a pentadactyl (five-fingered or five-toed) arrangement, the most medial digit, if present, is I (e.g. the human thumb) and the most lateral is V (e.g. the human little finger). In dogs and cats, toe I is vestigial.
These are named and identified by Roman numerals.
In a pentadactyl (five-fingered or five-toed) arrangement, the most medial digit, if present, is I (e.g. the human thumb) and the most lateral is V (e.g. the human little finger). In dogs and cats, toe I is vestigial.
Digitigrade
Walking or bearing weight on toes.
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Medial
Relating to, or located towards, the middle of the body, or a structure of the body.
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Register
To imprint a track on the substrate.
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Track
Impression or indentation made on the substrate (ground) by a foot.
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Ungulate
Animals that walk on the tips of their toes (hooves).
Animals that belong to the former order Ungulata, now divided in to orders Perissodactyla and Artiodactyla.
Animals that belong to the former order Ungulata, now divided in to orders Perissodactyla and Artiodactyla.
Phalanges
Bones of a digit or digits (fingers
or toes).
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