Zoo Lab (Shark Muscles)

Question 1

Tail and Trunk:

Epaxial

Answer 1

-
Axial skeleton
Lateral flexion

Question 2

Tail and Trunk:

Hypaxial

Answer 2

-
Axial Skeletion
Lateral Flexion

Question 3

Fin:

Dorsal extensor mass

Answer 3

Fascia
Pterygiophores, Cevatotrichia
Adductor, Elevator

Question 4

Fin:

Ventral flexor mass

Answer 4

Linea alba, pubischiae bar, metapterygium
Metapterygium fin
Depressor, adductor, flexor

Question 5

Fin:

Radial/dorsal fin

Answer 5

Thermal conductivity

Question 6

Hypobranchial:

Common coracoarcuals

Answer 6

Coracoid bar

Fascia

Question 7

Hypo:

Coracomandibular

Answer 7

Coracoid bar

Mandible

Question 8

Hypo:

Coracohyoid

Answer 8

Coracoid bar

Basihyal

Question 9

Hypo:

Coracobranchial

Answer 9

Coracoid bar

Ceratohyal cartilage

Question 10

Hypobranchial Action

Answer 10

Strengthen and elevate the floor of the mouth
Strengthen pericardial cavity walls
For mouth opening and gill pouches expansion

Question 11

Branchial:

Branchial muscles

Answer 11

6th branchial arch
Slipping through 3rd to 6th branchial arch
Operate gill arches and jaws

Question 12

Branchial:
Constrictor series
- dorsal

Answer 12

Fron to pectoral fin

To the eye

Question 13

Branchial:
Constrictor series
- ventral

Answer 13

-

To the mouth

Question 14

Constrictor series action

Answer 14

Inner parts support the walls bearing thegill plates/compress gill pouches to force water out

Question 15

Branchial:

Epihyoidean muscle

Answer 15

Fascia and otic capsule
Hyomandibula
-

Question 16

Branchial:

Craniomaxillaries

Answer 16

Otic capsule
Palatoquadrate cartilage
Elevates palatoquadrate

Question 17

Branchial:

Quadratomandibularis

Answer 17

Rear of the palatoquadrate
Meckel’s cartilage
Closes mouth

Question 18

Branchial:

Preorbitalis

Answer 18

Midventral surface of chondrocranium
Quadratomandibularis
Forms adductor mandibulae/closes lower jaw

Question 19

Branchial:

Intermandibularis

Answer 19

Midventral raphe
Mandible
Elevates floor of mouth

Question 20

Branchial:

Mandibularis

Answer 20

-
Quadratomandibularis
-

Question 21

Branchial:

Interhyoideus

Answer 21

Hyomandibula
Ceratohyal
Compress gill chambers

Question 22

Branchial levator:

Levator maxillae superioris

Answer 22

Otic capsule
Palatoquadrate cartilage
Raise upper jaw

Question 23

Branhial levator:

Cucullaris

Answer 23

Fascia of dorsal longitudinal bundle
Epibranchial cartilage of last gill arch
Raise gill arches

Question 24

Branchial levator:

Interarcual

Answer 24

Upper ends of gill cartilages
Pharyngiobranchial cartilages and gill arches
Expand pharynx