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

Muscles And Function: Shark And Frog Flashcards

(60 cards)

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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
pectoralis
Function: adducts, rotates, flexes forelimb Origin: anterior coracoid, sternum, fascia of rectus abdominus
26
Rectus Abdominis
Function: flexes the trunk Origin: anterior edge of the pubis
27
External oblique
Function: compresses the viscera Origin: transverse process of vertebrae
28
Transversus Abdominis
Function: compresses the viscera Origin: transverse process of the vertebrae
29
Latissimus Dorsi
Function: retracts forelimb Homology: Pectoral abductor muscle in pectoral fin of shark
30
Dorsalis Scapulae
Function: protracts forelimb Homology: portion of shark pectoral abductor muscle
31
Rhomboideus
Function: stabilization of the suprascapulae Homology: portion of anterior epaxial musculature of shark
32
Depressor Mandibulae
Function: depresses mandible Homology: same in shark
33
Masseter
Function: elevates mandible Homology:
34
Interhyoideus
Function: elevates the throat Homology: ventral hyoid constrictor of shark
35
Geniohyoideus
Function: depresses mandible and pulls the hyoid apparatus anteriorly Homology: coracomandibular in shark
36
Pterygoideus
Function: elevates the mandible Homology:
37
Temporalis
Function: elevates the mandible Homology:
38
Brachiohyoideus
Function: protracts the mandible Homology: superficial constrictor muscles of brachial arch 3
39
Intermandibularis
Function: elevates the throat Homology: same muscle in shark and necturus
40
Genioglossus
Function: tongue movement Homology: genioglossus in necturus
41
Deltoideus
Function: protraction and abduction of forearm Homology: procoracohumeralis in Necturus
42
Anconeus
Function: extends the forearm Homology: portion of pectoral fin in the shark
43
Triceps femoris
Function: extends lower limb and assists in protraction of thigh Homology: portion of shark pelvic abductor
44
iliofibularis
Function: flexes lower limb/ assists in retraction and abduction of the thigh Homology: pelvic fin abductor in shark and same in necturus
45
Forelimb extensors and flexors
Function: flexion or extension of forelimb Homology: flexors of forearm and extensors of forearm in the forelimb
46
Sartorius
Function: puboischiotibialis in necturus Homology: flexes lower hindlimb, adducts and protracts the thigh
47
Gracilis minor
Function: flexes lower limb and retracts adducts the thigh Homology: ischioflexorius (necturus) and portion of pelvic fun adductor (shark)
48
Adductor longus
Function: adducts the thigh Homology: portion of shark pelvic fin adductor muscle
49
Semimembranosus
Function: extends lower hindlimb and assists in retraction and adduction of the thigh Homology: ischioflexorus necturus and pelvic fin adductor (shark)
50
Plantaris longus
Function: extends foot and flexes the toes Homology: potion of pelvic fin muscles (shark)
51
Pectineus
Function: adducts the thigh Homology: pelvic fin adductor (shark)
52
Peroneus:
Function: flexes the foot Homology: pelvic fin muscle (shark)
53
Adductor Magnus:
Function: adducts the thigh Homology: pubiosichiofemoralis externus (necturus) - Pelvic fin adductor
54
Gracilis major
Function: flexes lower limb and retracts and ducts thigh Homology: ischioflexorious (necturus) - pelvic fin adductor (shark)
55
Iliac externus:
Function: protraction and rotation of the hindlimb Homology: pubischiofemoralis internus Necturus
56
Iliacus Internus
Function: protracts thigh Homology: pubioschiofemoralis internus (necturus)
57
Longissimus Dorsi:
Function: extends pelvic area Homology: caudal portion of epaxial musculature shark
58
Iliolumbaris
Function: extending pelvic area Homology: epaxial musculature shark
59
Omohyoideus
Function: movement of hyoid Homology:
60
Sternohyoideus
Function: retraction of hyoid Homology: rectus cervicis (necturus) - coracohyoid and coracoarcual muscles (shark)

Comparative Anatomy (3 decks)

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