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Comparative Anatomy > Muscles And Function: Shark And Frog > Flashcards

Muscles And Function: Shark And Frog Flashcards

1
Q

What is the taxonomy of the Dog Shark?

A

phylum: chondricthyes
Superorder: selachimorpha
Order: squaliformes
Family: Squalidae
Genus: Squalus
Species: S. Acanthias

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2
Q

Pectoral Extensor/Abductor

A

Elevates the pectoral fin

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3
Q

Pectoral fin: flexor/adductor

A

Depresses the pectoral fin
(Flexes)

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4
Q

Pelvic fin extensor

A

Extends/elevates the pelvic fin
- assists males with intercourse

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5
Q

Pelvic fin flexor/adductor

A

Flexes/depresses the pelvic fin

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6
Q

Dorsal fin muscle

A

Stabilization of the dorsal fin

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7
Q

Lavator palatoquadrati

A

Innervation: Trigeminal Nerve

Function: elevates palatoquadrate (upper jaw)

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8
Q

Preorbitalis

A

Innervation: Trigeminal

Function: elevates Meckles cartilidge (closes jaw)

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9
Q

Spiracularis

A

Elevates palatoqudrate (Upper jaw)

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10
Q

Adductor Mandibulae

A

Innervation: Trigeminal

Function: Elevates Meckles Cartalidge (closes jaw)

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11
Q

Intermandibularis

A

Elevates floor of mouth- reduce volume of oral cavity

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12
Q

Second Dorsal constrictor

A

Innervation: Facial Nerve

Function: Compresses gill pouches

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13
Q

Interhyoideus

A

Innervation: Facial

Function: compresses gill pouches

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14
Q

Cucullaris

A

Innervation: Glossopharyngeal

Function: elevates scapular process

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15
Q

Dorsal Interlarcual

A

Function: Pull gill arches anteriorly

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16
Q

Lateral Interarcual:

A

Function: adducts cartilages - reduces angle bw them

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17
Q

Brachial adductor

A

Function: adducts cartilages reducing angle between them

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18
Q

Interbrachial

A

Adducts the cartilages of the gill arch

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19
Q

Dorsal and ventral Superficial constrictor

A

Function: compression of gill arches

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20
Q

Coracomandibularis:

A

Function: depresses lower jaw (closes mouth)

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21
Q

Coracoarcual

A

Function: assists in depressing/ lowering jaw (opens the mouth)

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22
Q

Coracohyoid:

A

Function: assists in depressing the lower jaw (opens the mouth)

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23
Q

Coracobranchial:

A

Function: depresses lower jaw (opens the mouth)- stabilizes pericardial cavity

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24
Q

Cutaneous Pectoris:

A

Function: may compress lymph spaces
Origin: pectoralis muscle

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25
Q

pectoralis

A

Function: adducts, rotates, flexes forelimb
Origin: anterior coracoid, sternum, fascia of rectus abdominus

26
Q

Rectus Abdominis

A

Function: flexes the trunk
Origin: anterior edge of the pubis

27
Q

External oblique

A

Function: compresses the viscera
Origin: transverse process of vertebrae

28
Q

Transversus Abdominis

A

Function: compresses the viscera
Origin: transverse process of the vertebrae

29
Q

Latissimus Dorsi

A

Function: retracts forelimb
Homology: Pectoral abductor muscle in pectoral fin of shark

30
Q

Dorsalis Scapulae

A

Function: protracts forelimb
Homology: portion of shark pectoral abductor muscle

31
Q

Rhomboideus

A

Function: stabilization of the suprascapulae
Homology: portion of anterior epaxial musculature of shark

32
Q

Depressor Mandibulae

A

Function: depresses mandible
Homology: same in shark

33
Q

Masseter

A

Function: elevates mandible
Homology:

34
Q

Interhyoideus

A

Function: elevates the throat
Homology: ventral hyoid constrictor of shark

35
Q

Geniohyoideus

A

Function: depresses mandible and pulls the hyoid apparatus anteriorly
Homology: coracomandibular in shark

36
Q

Pterygoideus

A

Function: elevates the mandible
Homology:

37
Q

Temporalis

A

Function: elevates the mandible
Homology:

38
Q

Brachiohyoideus

A

Function: protracts the mandible
Homology: superficial constrictor muscles of brachial arch 3

39
Q

Intermandibularis

A

Function: elevates the throat
Homology: same muscle in shark and necturus

40
Q

Genioglossus

A

Function: tongue movement
Homology: genioglossus in necturus

41
Q

Deltoideus

A

Function: protraction and abduction of forearm
Homology: procoracohumeralis in Necturus

42
Q

Anconeus

A

Function: extends the forearm
Homology: portion of pectoral fin in the shark

43
Q

Triceps femoris

A

Function: extends lower limb and assists in protraction of thigh
Homology: portion of shark pelvic abductor

44
Q

iliofibularis

A

Function: flexes lower limb/ assists in retraction and abduction of the thigh
Homology: pelvic fin abductor in shark and same in necturus

45
Q

Forelimb extensors and flexors

A

Function: flexion or extension of forelimb
Homology: flexors of forearm and extensors of forearm in the forelimb

46
Q

Sartorius

A

Function: puboischiotibialis in necturus
Homology: flexes lower hindlimb, adducts and protracts the thigh

47
Q

Gracilis minor

A

Function: flexes lower limb and retracts adducts the thigh
Homology: ischioflexorius (necturus) and portion of pelvic fun adductor (shark)

48
Q

Adductor longus

A

Function: adducts the thigh
Homology: portion of shark pelvic fin adductor muscle

49
Q

Semimembranosus

A

Function: extends lower hindlimb and assists in retraction and adduction of the thigh
Homology: ischioflexorus necturus and pelvic fin adductor (shark)

50
Q

Plantaris longus

A

Function: extends foot and flexes the toes
Homology: potion of pelvic fin muscles (shark)

51
Q

Pectineus

A

Function: adducts the thigh
Homology: pelvic fin adductor (shark)

52
Q

Peroneus:

A

Function: flexes the foot
Homology: pelvic fin muscle (shark)

53
Q

Adductor Magnus:

A

Function: adducts the thigh
Homology: pubiosichiofemoralis externus (necturus)
- Pelvic fin adductor

54
Q

Gracilis major

A

Function: flexes lower limb and retracts and ducts thigh
Homology: ischioflexorious (necturus)
- pelvic fin adductor (shark)

55
Q

Iliac externus:

A

Function: protraction and rotation of the hindlimb
Homology: pubischiofemoralis internus Necturus

56
Q

Iliacus Internus

A

Function: protracts thigh
Homology: pubioschiofemoralis internus (necturus)

57
Q

Longissimus Dorsi:

A

Function: extends pelvic area
Homology: caudal portion of epaxial musculature shark

58
Q

Iliolumbaris

A

Function: extending pelvic area
Homology: epaxial musculature shark

59
Q

Omohyoideus

A

Function: movement of hyoid
Homology:

60
Q

Sternohyoideus

A

Function: retraction of hyoid
Homology: rectus cervicis (necturus)
- coracohyoid and coracoarcual muscles (shark)

Comparative Anatomy (3 decks)

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