Frog Dissection Vocabulary Terms

Question 1

dorsal

Answer 1

upper/back side

Question 2

ventral

Answer 2

underside

Question 3

anterior

Answer 3

nearer to the front or the head of the body

Question 4

posterior

Answer 4

nearer to the behind of the rear of the body

Question 5

forelimb

Answer 5

either of the front limbs

Question 6

thumb

Answer 6

secondary sex characteristic present in mature males

Question 7

outer eyelid

Answer 7

thin fold of skin that covers and protects the eye

Question 8

external nares

Answer 8

nostrils, anterior openings for the entry and exit of air

Question 9

nictitating membrane

Answer 9

transparent part of lower eyelid that moves over the eye to clean and protect it

Question 10

tympanum

Answer 10

the eardrum, receives sound waves (aka tympanic membrane)

Question 11

maxillary teeth

Answer 11

sharp teeth in maxilla of mouth that functions in holding captured prey

Question 12

vomerine teeth

Answer 12

small projections in top of mouth that holds captured prey

Question 13

internal nares

Answer 13

either of two internal nostrils, openings of nasal cavities into mouth or pharynx

Question 14

gullet

Answer 14

esophagus, tube that connects the mouth and stomach

Question 15

glottis

Answer 15

opening from mouth into the respiratory system

Question 16

tongue

Answer 16

muscular structure attatched to front of mouth which is extended to catch food

Question 17

eustachian tube opening

Answer 17

openings in mouth that lead to tubes that connect to the middle ear to equalize air pressure

Question 18

fat bodies

Answer 18

masses of fat in body cavities of frogs, needed for hibernating and mating

Question 19

heart

Answer 19

pumping organ of circulatory system (has 3 chambers)

Question 20

lung

Answer 20

each of a pair of organs used to breathe air

Question 21

stomach

Answer 21

stores food and mixes it with enzymes to begin digestion

Question 22

liver

Answer 22

secretes bile and processes digested food molecules

Question 23

small intestine

Answer 23

principal organ of digestion and absorption of digested food

Question 24

large intestine

Answer 24

posterior organ of digestive system which stores undigested food

Question 25

gall bladder

Answer 25

sac which stores bile

Question 26

spleen

Answer 26

organ in circulatory system that makes stores, and destroys blood cells

Question 27

kidney

Answer 27

pair of organs in abdominal cavity that excretes urine

Question 28

eggs/ova

Answer 28

female sex cell or gamete

Question 29

oviduct

Answer 29

tubes of female reproductive system that carry eggs from the ovaries to the cloaca

Question 30

testes

Answer 30

male sex organs that produce sex cells (sperm)

Question 31

hindlimbs

Answer 31

either of the back limbs