Nectarus Internal Anatomy

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Necturus dissection
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List the functions of the skeleton.
Distinguish between the axial and appendicular divisions of
the skeleton. What are the osseous components of each
division?
Sketch and label the parts of a typical trunk vertebra.
What kind of centrum does Necturus possess? Why is it so
designated?
List the regions of the vertebral column of Necturus. How
many vertebrae are present in each region?
What are chevron bones?
How many heads does a rib have? How are these
designated?
Sketch and label the dorsal surface of the skull.
Sketch and label the ventral surface of the skull.
List the constituent bones of the lower jaw.
Sketch and label the parts of the chondrocranium and
indicate the bones that ossify within them.
What is the columella and what are its attachments?
What is a platybasic skull configuration?
What does the term "pleurodont" refer to?
What are the choanae? Where are they located?
Sketch and label the components of the branchial apparatus.
List the components of the pectoral girdle.
What is the phalangeal formula of the pectoral limb?
What is the puboischiatic plate?
How does the pelvic bone articulate with the vertebral
column?
Sketch and label the skeletal elements of the pectoral limb.
Sketch and label the skeletal elements of the pelvic limb.
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