Skeleton - Dogfish

Question 1

Extra arch, inverted w/ apex inclosing the neural canal

Answer 1

Intercalary arch

Question 3

Plates of connective tissue that separate myotomes from each other.

Answer 3

Myosepta

Question 4

Muscles below the septum

Answer 4

Ventral or hypaxial muscles

Question 5

Incloses neural canal

Answer 5

Neural arch

Question 8

A connective tissue partition which divides the myotomes into dorsal and ventral portions.

Answer 8

Horizontal skeletogenous septum

Question 9

Cavity in which spinal cord is located

Answer 9

Neural canal

Question 10

Connective tissue partitions extending from the neural spine

Answer 10

Dorsal and ventral skeletogenous septa

Question 11

Smooth membrane lining the body cavity/coelom

Answer 11

Pleuroperitoneum

Question 13

Large cavity inclosed by a thin layer which incloses the viscera

Answer 13

Body cavity or coelom

Question 14

Contains the caudal artery and vein

Answer 14

Haemal canal

Question 15

Muscles above the septum

Answer 15

Dorsal or epaxial muscles

Question 16

Centra of elasmobranchs

Answer 16

Bioncave or amphicoelous

Question 18

Chief sites of skeleton formation

Answer 18

Dorsal + ventral + horizontal skeletogenous septa

Question 19

Thick layer of voluntary muscles found between the vertebra and the skin

Answer 19

Myotomes

Question 22

Incloses the haemal canal

Answer 22

Haemal arch