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29 Cards in this Set
- Front
- Back
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Cranium |
Upper portion of skull, made of two regions: the braincase, and the rostrum. |
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Mandible |
the lower jaw, comprised of two bones: the left and right dentary. |
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Suture |
a fused contact zone between two bones. |
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Process |
a projection or protuberance from a bone that serves as a point of attachment for muscles. |
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Condyle |
a rounded protuberance of bone that serves as an articulation point with other bones. |
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Foramen (pl. Foramina) |
a canal that penetrates a bone, and allows for passages of nerves and blood vessels. |
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Fossa |
a pit or depression in a bone for attachment of muscle or articulation of another bone. |
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Orbit |
socket where the eye sits. |
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Pre- |
in front of |
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Anterior |
before |
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Post- (posterior) |
Behind |
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Basi- |
in back |
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Alis- |
to the side |
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Supra- |
Above |
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Infra- |
below |
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Superior |
above or back |
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Dorsal |
back (top view) |
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Ventral |
front (bottom view) |
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Lateral |
Side (view) |
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What is the main difference between the skulls of the genus Sylvilagus and Lepus? |
The interparietal is visible in Sylvilagus, but completely fused in Lepus. |
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Monophyodont |
teeth not replaced during life. |
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Diphyodont |
deciduous "milk" teeth replaced during life by permanent adult teeth. |
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Rooted |
teeth with finite growth. |
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Rootless |
teeth with continuous growth throughout life. |
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Homodont |
all teeth in tooth row with similiar shapes. |
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Heterodont |
teeth in tooth row have different shapes and functions. |
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Brachydont |
long crowned |
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Hypsodont |
high crowned |
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Bunodont |
enamel covered with relatively low, rohnded peaks and valleys. |
