GLY 1102 Topic 18 – Basic Dinosaur Anatomy
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The three main bones of the hind limb are the:
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femur, fibula, and tibia
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The scapula is the largest bone at shoulder girdle.
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True
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____ means pertaining toward the head end of the dinosaur.
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Anterior
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The metatarsals are the bones between tarsals and phalanges.
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True
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_______ are the main bones of the upper jaw joints at the posterior of the skull.
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Quadrates
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_____ vertebrae are those of the hip region.
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sacral
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_____ are small bones in front of the eye socket.
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Lachrymals
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_____ means pertaining toward the rear end of the dinosaur.
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Posterior
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_____ are paired bones at the posterior of the skull.
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Squamosals
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_____ refers to the lower opening of temporal region of the skull.
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Inferior or lateral temporal fenestra
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The ____ connects the pelvis with the sacral vertebrae along the medial surface.
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ilium
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The _____ is the smaller of the two lower leg bones which is attached to the tibia.
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fibula
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The shoulder girdle of dinosaurs consists of the:
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scaplula and smaller coracoid
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Many caudal vertebrae have an arch-like structure called a _____ ventral to the centrum.
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chevron
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The _____ is the axis aligned along the head-neck-body-tail, an imaginary plane dividing the dinosaur into two equal bilateral parts.
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midline
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Some dinosaurs had numerous teeth cemented together to form an extensive shearing and grinding surface called _____.
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dental batteries
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_____ refers to the belly side of the dinosaur.
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Ventral
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_____ refers to the back side of the dinosaur.
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Dorsal
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A spool-shaped structure in the ventral side of a vertebra, which connects to the same structure of adjacent vertebrae, is called a _____.
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centrum
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Bipedal dinosaurs habitually walked on their hind limbs, always having longer front limbs.
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False
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____ vertebrae are those of the neck, located between the head and back.
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Cervical
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The _____ is the upper forearm of foreleg that connects to the scapula at the shoulder.
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humerus
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The _____ is the larger of the two lower forearms/forelegs.
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ulna
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_____ are the paired bones that make up the rear dorsal surface of the dinosaur skull.
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Parietal bones
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The _____ is a bony knob connecting the skull to the backbone.
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occipital condyle
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_____ vertebrae are those of the tail.
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Caudal
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The average dinosaur skeletons contain approximately 300 bones.
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True
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Individual vertebrae have a spool-shaped structure on their ventral side called the ______.
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centrum
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The metacarpals are the bones between the carpals and phalanges.
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True
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____ refers to the upper opening of the temporal region of the skull.
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Supratemporal fenestra
