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18 Cards in this Set
- Front
- Back
Neurocranium
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form the floor of the braincase and
initially support the brain and special sense organs |
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Dermal Skeleton
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intramembranous bones
that form much of the face, jaws, and roof of the braincase. |
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Visceral Skeleton (splanchnocranium
|
involved with feeding respiration and hearing
|
|
part
of the pectoral girdle |
cleithrum,
postcleithrum, and supracleithrum |
|
Two series of dermal bones
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opercular and extrascapular
|
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AMPHIBIANS (MUDPUPPY
metamorphosis |
not all of the bone will form until
|
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derivative of the mandibular (first visceral)
arch |
mandibular (Meckel’s) cartilage
|
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mandibular (Meckel’s) cartilage remnants
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articular bones
quadrate bones |
|
hyoid (second visceral)
arch derivative |
columella (stapes),
hyoid apparatus |
|
Tuatara
pair of openings |
exhibit a
primitive diapsid skull, closest to the ancestral condition |
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Crocodilian skulls
|
dermal bones
secondary (false) palate. |
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Modified Diapsid Skulls are in
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Squamates, Birds
|
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These movements are most obvious in snakes permitted by
|
cranial kinesis
|
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beak or bill is covered by
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keratinized epidermal layer
|
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optic capsules form the
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scleral ossicles
|
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MAMMALS (CAT) skull type
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synapsid
|
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ethmoid bone is this type of bone
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COMPOSITE
|
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Hyoid (Second) Arch elements
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hyomandibular cartilages
ceratohyal cartilages basihyal cartilage |