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18 Cards in this Set

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