24-25 Frog External Structures (Mouth)-Dissections (QI)

Structure attached to the front of their mouths rather than at the back like humans. It extends from the mouth; used to catch prey.

• vomerine teeth

• maxillary teeth

• tongue

• internal nares

Identify structure B.

• internal nares

• maxillary teeth

• external nares

• vomerine teeth

These are used to equalize pressure in the inner ear while the frog is swimming. Located near the jaw on both sides of the mouth.

• gullet

• tongue

• glottis

• eustachian tube

Located towards the front of the mouth on the roof, they are used for holding prey.

• internal nares

• external nares

• maxillary teeth

• vomerine teeth

Identify structure D.

• nictitating membrane

• tongue

• internal nares

• vomerine teeth

Identify structure F.

• gullet (esophagus)

• glottis

• nictitating membrane

• tongue

Identify structure E.

• glottis

• vomerine teeth

• tonuge

• tympanum

Identify structure I.

• tongue

• glottis

• gullet

• eustachian tube

Identify structure G.

• glottis

• gullet

• tongue

• eustachian tube

Allows frog to take in air & is located on the roof of the mouth. They connect the nostrils to the mouth

• glottis

• nares

• gullet