Lab 4 - Liver Fluke Anatomy + Terminology

Question 1

Specialized for attachment to host; used in feeding

Answer 1

Oral sucker

Question 2

Specialized for attachment to host; used in feeding

Answer 2

Ventral sucker

Question 3

Muscular tube for pumping in blood and body fluids from host

Answer 3

Pharynx

Question 4

Forked tube for digestion and distribution of nutrients throughout body (reduced in flukes)

Answer 4

Gastrovascular cavity

Question 5

Produce sperm

Answer 5

Testes

Question 6

Stores sperm and transports sperm to genital pore

Answer 6

Vas deferens

Question 7

Receives sperm and moves it to the seminal receptacle

Answer 7

Genital pore

Question 8

Produces eggs

Answer 8

Ovary

Question 9

Receives sperm and stores it (often for the life of the fluke) eventually moving it to the uterus where eggs are fertilized

Answer 9

Seminal receptacle

Question 10

Eggs are combined with yolk and shelled before passing to the uterus

Answer 10

Yolk Gland + Yolk Duct

Question 11

Shelled, fertilized eggs are stored here until release through the genital pore

Answer 11

Uterus

Question 12

Collect metabolic waste from the flame cells

Answer 12

Excretory canal + bladder

Question 13

Releases metabolic waste products out of the body

Answer 13

Excretory pore