Exercise 13: Mouth Cavity

Question 1

two small batches of fine teeth between the internal nares projecting from the vomer bones; absent in toads

Answer 1

Vomerine Teeth

Question 2

row of small conical teeth on the margin of the upper jaw; absent in toads

Answer 2

maxillary teeth

Question 3

two anterior openings in the roof of the mouth; these open dorsally as external nares.

Answer 3

internal nares

Question 4

two at the corner of the mouth near the roof of the oral cavity; each connects to middle ear.

Answer 4

Eustachian tube openings

Question 5

large and long bilobes structure occupying a great part of the floor of the oral cavity.

Answer 5

Tongue

Question 6

the most posterior part of the mouth cavity.

Answer 6

Phalyx

Question 7

two, lateral in the floor of mouth; present in males.

Answer 7

Vocal Sac Openings

Question 8

a narrow longitudinal slit in the floor of the pharynx; an opening of the larynx or voice box into the mouth cavity.

Answer 8

glottis

Question 9

the posterior opening in the pharynx that leads to the stomach.

Answer 9

Esophagus

Question 10

the supportive element of the tongue; can be located by probing the floor of the mouth below the tongue.

Answer 10

hyoid cartilage