Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Comparative Anatomy > Shark Muscle Actions > Flashcards

Shark Muscle Actions Flashcards

1
Q

what is the action of the pectoral abductor?

A

abducts and flattens pectoral fin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is action pectoral adductor?

A

adducts pectoral fin and renders it ventrally concave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the action of the branchial adductor?

A

adducts gill arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the action of the cucullaris?

A

elevates pectoral girdle and last branchial arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the action of the dorsal interarcual?

A

it adducts the gill arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the action of the dorsal superficial branchial constrictors?

A

they compress the pharyngeal pouches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the action of the interbranchial?

A

adducts pharyngeal arches and moves interbranchial septa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the action of the lateral interarcuals?

A

they adduct the pharyngeal arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the action of the ventral superficial branchial constrictors?

A

they compress pharyngeal pouches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the action of the dorsal hyoid constrictor?

A

compresses the 1st pharyngeal pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the action of the levator hyomandibulae?

A

elevates hyomandibular cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the action of the ventral hyoid constrictor?

A

compresses the 1st pharyngeal pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the action of the adductor mandibulae?

A

adducts the lower jaw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the action of the intermandibularis?

A

pulls the lower jaws towards the midline during opening of the jaws and hyoid arch; helps elevate the floor of the oral cavity when mouth is shut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the action of the levator palatoquadrati?

A

elevates the palatoquadrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the action of the spiracularis?

A

closes the spiracle

17
Q

what is the description and action of the epaxial musculature?

A

dorsal myomeres of the trunk and tail arranged as longitudinal bundles; flex trunk and tail to the left and right

18
Q

what is the description and action of epibranchial musculature?

A

anterior extension of epaxial musculature dorsal to branchial region; elevates chondrocranium during feeding

19
Q

what is the action of coracoarcuals?

A

depresses the basihyal and ceratohyal cartilages by expanding the oral and pharyngeal cavities

20
Q

what is the action of coracobranchials?

A

abduct the hyoid and branchial arches helping to expand the branchial region

21
Q

what is the action of the coracohyoids?

A

abducts hyoid arch

22
Q

what is the action of the coracomandibular?

A

abducts the lower jaw

Comparative Anatomy (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions