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Vertebrate Morphology > Major Cranial Elements In Craniata > Flashcards

Major Cranial Elements In Craniata Flashcards

1
Q

Dermatocranium in lampreys and hagfishes

A

Absent

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2
Q

Palatoquadrate in lampreys and hagfishes

A

Ancestrally absent

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3
Q

Meckel’s cartilage in lampreys and hagfishes

A

Ancestrally absent

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4
Q

Hyomandibula in lampreys and hagfishes

A

Ancestrally absent

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5
Q

Ceratohyal and basihyal in lampreys and hagfishes

A

Ancestrally absent

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6
Q

Branchial arches in lampreys and hagfishes

A

Parts of the branchial basket for gill support

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7
Q

Chondrocranium in Chondrichthyes

A

Cartilaginous

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8
Q

Dermatocranium in Chondrichthyes

A

Absent

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9
Q

Palatoquadrate in Chondrichthyes

A

Remains cartilaginous as upper jaw

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10
Q

Meckel’s cartilage in Chondrichthyes

A

Remains cartilaginous as lower jaw

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11
Q

Hyomandibula in Chondrichthyes

A

Remains cartilaginous as jaw supports

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12
Q

Ceratohyal and basihyal in Chondrichthyes

A

Remain cartilaginous as jaw supports

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13
Q

Branchial arches in Chondrichthyes

A

Gill supports

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14
Q

Chondrocranium in Pulmovertebrata

A

Variably ossified

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15
Q

Dermatocranium in Pulmovertebrata

A

Present

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16
Q

Palatoquadrate in Pulmovertebrata

A

Ossifies as quadrate and other bones

17
Q

Meckel’s cartilage in Pulmovertebrata

A

Caudal end ossifies as articular bone; vestige of cranial end may remain

18
Q

Hyomandibula in Pulmovertebrata

A

Ossifies as jaw support

19
Q

Ceratohyal and basihyal in Pulmovertebrata

A

Ossify as jaw supports

20
Q

Branchial arches in Pulmovertebrata

A

Gill supports

21
Q

Chondrocranium in Tetrapoda

A

Variably ossified

22
Q

Dermatocranium in Tetrapoda

A

Present

23
Q

Palatoquadrate in Tetrapoda

A

Ossifies as quadrate; also epipterygoid in some

24
Q

Meckel’s cartilage in Tetrapoda

A

Caudal end ossifies as articular bone; vestige of cranial end may remain

25
Q

Hyomandibula in Tetrapoda

A

Ossifies as stapes

26
Q

Ceratohyal and basihyal in Tetrapoda

A

Ossify as part of hyoid apparatus for tongue support

27
Q

Branchial arches in Tetrapoda

A

Contribute to hyoid apparatus, larynx, and tracheal cartilages

28
Q

Chondrocranium in Mammalia

A

Variably ossified

29
Q

Dermatocranium in Mammalia

A

Present

30
Q

Palatoquadrate in Mammalia

A

Ossifies as incus

31
Q

Meckel’s cartilage in Mammalia

A

Caudal end ossifies as malleus

32
Q

Hyomandibula in Mammalia

A

Ossifies as stapes

33
Q

Ceratohyal and basihyal in Mammalia

A

Ossify as part of hyoid apparatus for tongue support

34
Q

Branchial arches in Mammalia

A

Contribute to hyoid apparatus, larynx, and tracheal cartilage

35
Q

Chondrocranium in lampreys and hagfishes

A

Cartilaginous

Vertebrate Morphology (26 decks)

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