[MOD 5] External Toad Anatomy

Question 1

Frog and Toad Order?

Answer 1

Anura

Question 2

Frog Genus?

Answer 2

Rana

Question 3

Toad Genus?

Answer 3

Bufo

Question 4

What kind of cells is the epidermis made up of?

Answer 4

Stratified epithelium

Question 5

What are the cells that contribute to the skin’s color?

Answer 5

Melanophores

Question 6

What are the regions of the body?

Answer 6

Dorsal - Back
Ventral - Belly
Anterior - Head end
Posterior - Tail end

Question 7

Name the three (3) planes of the body according to how they are divided.

Answer 7

Sagittal - Left and Right sides
Transverse - Cross Section
Frontal - Dorsal and Ventral Sides

Question 8

Most anterior portion of the head?

Answer 8

Snout

Question 9

Openings in the snout (nostrils)?

Answer 9

External Nares

Question 10

Transparent eye layer to act as goggles.

Answer 10

Nictitating Membrane

Question 11

Frog eardrum?

Answer 11

Tympanic Membrane

Question 12

A large aggregate of poison glands

Answer 12

Parotoid gland

Question 13

Multi-use posterior opening

Answer 13

Cloacal Aperture

Question 14

The region containing the head and trunk?

Answer 14

Axial Region

Question 15

Anterior and Posterior Limbs?

Answer 15

Forelimbs and Hindlimbs

Question 16

Four (4) main parts of the forelimbs.

Answer 16

Upper arm
Forearm
Wrist/Carpus
Hand/Manus

Question 17

Toad rudimentary thumb?

Answer 17

Prepollex

Question 18

Four (4) parts of the hindlimbs.

Answer 18

Thigh
Shank
Ankle/tarsus
Foot/pes

Question 19

Toad Rudimentary toe?

Answer 19

Prehallux

Question 20

The region containing the limbs?

Answer 20

Appendicular Region

Question 21

Features of male toads?

Answer 21

1. Dark pigmentation around the ventral jaw area.
2. Swollen thumbs used in amplexus.
3. Smaller than females.

Question 22

Features of female toads?

Answer 22

1. No dark pigmentation
2. No swollen thumbs.
3. Generally larger.