Skull (dorsal & ventral)

Question 1

Dorsal surface are composed of:

Answer 1

Premaxilla
Maxillae
Quadratojugal
Sphenethmoid
Nostrils
Fronto-parietal
Prootic
Squamosal
Occipital
Exoccipital
Occipital condyle

Question 2

Located at the anterior tip of the upper jaw of the skull with small teeth

Answer 2

premaxilla

Question 3

elongated bone located posterolateral to the premaxillae, forming the whole segment of the upper jaw

Answer 3

maxillae

Question 4

short bones forming an angel located posterior to the maxillar

Answer 4

quadratojugal

Question 5

a pair of triangular bones superior to the premaxillae

Answer 5

nasal

Question 6

small squarish bone located posterior to the nasal and extends ventral to the fronto-parietals in the toad

Answer 6

sphenethmoid

Question 7

In frogs it is a diamond shaped bone anterior to the fronto-parietal

Answer 7

sphenethmoid

Question 8

a pair of elongated bones which extends at the posterior region of the skull.

Answer 8

fronto-parietal

Question 9

it is the union of the frontal and parietal bone and joined by a median dorsal suture

Answer 9

fronto-parietal

Question 10

there are two lateral openings known as?

Answer 10

orbit

Question 11

serves as to lodge the eyeball

Answer 11

orbit

Question 12

a pair of flattened bones located on each side of the posterior end of the fronto-parietal

Answer 12

prootic

Question 13

hammer-shaped bone located lateral to the prootic and extends to the base quadratojugal

Answer 13

squamosal

Question 14

a name given to the bone that surrounds the foramen magnum which is composed of he exoccipital and occipital condyle

Answer 14

Occipital

Question 15

a big opening leading to the cranial cavity and serves as a passage of the spinal cord

Answer 15

foramen magnum

Question 16

a soft flat bone sorrounding the two sides of the foramen-magnum

Answer 16

exoccipital

Question 17

a rounded prominence on each exoccipital that fits into the concavities of the first vertebral bone

Answer 17

occipital condyle

Question 18

ventral surface are composed of:

Answer 18

Vomers, Parasphenoid, Palatines, Pterygoid

Question 19

irregularly shaped bones anterior to the palatine bearing a fine teeth-like structure

Answer 19

Vomers

Question 20

irregularly shaped bones anterior to the palatine bearing a fine teeth-like structure known as?

Answer 20

Vomerine teeth

Question 21

the unpaired dagger-shaped bones at the base of the cranium and ventral to the fronto-parietal

Answer 21

parasphenoid

Question 22

the slender rod shaped bones extending laterally from the anterior part of the parasphenoid to the upper jaw

Answer 22

palatines

Question 23

triradiate bone located at the posterior side of the skull and ventral to the squamosal

Answer 23

Pterygoid