Dogfish Anatomy

Question 1

origin of pectoral extensors

Answer 1

scapular process and adjacent fascia

Question 2

origin of pectoral flexors

Answer 2

coracoid bar

Question 3

origin of superficial pelvic extensors

Answer 3

iliac process or pubioischiac bar

Question 4

origin of deep pelvic extensors

Answer 4

metapterygium

Question 5

origin of proximal pelvic flexors

Answer 5

linea alba and puboischiac bar

Question 6

origin of distal pelvic flexors

Answer 6

metapterygium

Question 7

origin of adductor mandibulae

Answer 7

posterior part of the palatoquadrate cartilage

Question 8

origin of levator hyomandibulae

Answer 8

otic capsule

Question 9

origin of preorbitalis

Answer 9

mid ventral surface of the chondrocranium

Question 10

origin of spiracularis

Answer 10

midventral surface of the chondrocranium

Question 11

origin of levator palatoquadrati

Answer 11

otic capsule

Question 12

origin of coracomandibularis

Answer 12

fascia of common coracoarcuals

Question 13

insertion of pectoral extensors

Answer 13

radials and ceratotrichia

Question 14

insertion of pectoral flexors

Answer 14

radial and ceratotrichia

Question 15

insertion of superficial pelvic extensors

Answer 15

radials and ceratotrichia

Question 16

insertion of deep pelvic extensors

Answer 16

radials and ceratotrichia

Question 17

insertion of proximal pelvic flexors

Answer 17

metapterygium

Question 18

insertion of deep pelvic flexors

Answer 18

radials and ceratotrichia

Question 19

insertion of adductor mandibulae

Answer 19

meckel’s cartilage

Question 20

insertion of levator hyomandibulae

Answer 20

hyomandibular

Question 21

insertion of preorbitalis

Answer 21

adductor mandibulae

Question 22

insertion of spiracularis

Answer 22

palatoquadrate cartilage

Question 23

insertion of levator palatoquadrati

Answer 23

palatoquadrate cartilage

Question 24

insertion of coracomandibularis

Answer 24

Meckel’s cartilage

Question 25

function of pectoral extensors

Answer 25

elevates pectoral fin

Question 26

function of pectoral flexors

Answer 26

depresses pectoral fin

Question 27

function of pelvic extensors

Answer 27

elevate pelvic fin

Question 28

function of pelvic flexors

Answer 28

depress pelvic fin

Question 29

function of adductor mandibulae

Answer 29

closes mouth

Question 30

function of levator hyomandibulae

Answer 30

compresses gill pouches

Question 31

function of preorbitalis

Answer 31

closes the mouth

Question 32

function of spiracularis

Answer 32

elevates the palatoquadrate

Question 33

function of levator palatoquadrati

Answer 33

raises the upper jaw

Question 34

function of coracomandiublaris

Answer 34

opens the mouth