Shark Muscles Flashcards

memorize shark OIA

1
Q

OIA: Epaxial Muscles

A

O: Myosepta
I: Posterior myosepta
A: Lateral undulation

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2
Q

OIA: Hypaxial Muscles

A

O: Myosepta
I: Posterior myosepta
A: Lateral undulation; supports viscera

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3
Q

OIA: Pelvic fin, dorsal abductor, levator and extensor muscle

A

O: Fascia of the myotomes and the iliac process of the pelvic girdle; metapterygial cartilage to the fins
I: Via connective tissues to the pterygiophores and ceratotrichia
A: Abductor, levator, and extensor

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4
Q

OIA: Pelvic fin, ventral adductor, depressor and flexor muscle

A

O: From the linea alba and puboischiac bar to the metapterygium; from metapterygium to the fins
I: Via connective tissues to the pterygiophores and ceratotrichia
A: Adductor, depressor, and flexor

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5
Q

OIA: Pectoral fin, dorsal abductor, levator and extensor muscle

A

O: Scapular process of the pectoral girdle and adjacent fascia
I: Pterygiophores(dorsal)
A: Abductor, levator, and extensor

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6
Q

OIA: Pectoral fin, ventral adductor, depressor and flexor muscle

A

O: Coracoid bar of the pectoral girdle
I: Pterygiophores(dorsal)
A: Adductor, depressor, and flexor

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7
Q

OIA: Epihyoidean

A

O: Fascia and otic capsule
I: Hyomandibula
A: Compresses gills

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8
Q

OIA: Craniomaxillaris

A

O: Otic capsule
I: Palatoquadrate cartilage
A: Elevates palatoquadrate

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9
Q

OIA: Quadratomandibularis

A

O: Rear part of the palatoquadrate
I: Meckel’s cartilage
A: Closes the lower jaw; elevates lower jaw

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10
Q

OIA: Preorbitalis

A

O: Midventral surface of the chondrocranium, along each side of the upper jaw
I: Tendon to Meckel’s cartilage
A: Closes the lower jaw; elevates lower jaw

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11
Q

OIA: Intermandibularis

A

O: Midventral raphe
I: Mandible
A: Elevates floor of mouth; compress buccal/oral cavity

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12
Q

OIA: Interhyoideus

A

O: Midventral raphe
I: Hyoid arch
A: Compresses gills

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13
Q

OIA: Levator maxillae superioris

A

O: Otic capsule
I: Palatoquadrate
A: Elevates palatoquadrate

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14
Q

OIA: Cucullaris

A

O: Fascia of the dorsal longitudinal bundles
I: Epibranchial cartilage of the last gill arch; scapular process of the pectoral girdle
A: Levator scapulae

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15
Q

OIA: Common coracoarcuals

A

O: Coracoid bar
I: Fascia above the rear edge of the mandibularis
A: Expands oral cavity; lowers/depress Meckel’s cartilage(open mouth)

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16
Q

OIA: Coracomandibular

A

O: Coracoid bar
I: Meckel’s cartilage
A: Depress Meckel’s cartilage

17
Q

OIA: Coracohyoid

A

O: Coracoid bar
I: Hyoid arch(basihyal)
A: Depress Meckel’s cartilage and hyoid