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Science Worm

QuestionAnswer
aortic arch the bend of the aorta between its ascending and descending portions
cerebral ganglion one of a pair of nerve
clitellum in many leeches and earthworms, a thick depression of the body wall that protects the eggs
crop a sac or pouch used by birds and some insects to store food
cuticle a waxy or fatty and watertight layer on the external wall of epidermal cells
ectoparasite a parasite that lives on a host but does not enter the host's body
endoparasite a parasite that lives inside a host's body
esophagus a long, straight tube that connects the pharynx to the stomach
flame cell in a flatworm, a cell that has flagella or cilia that move waste products through the body
intermediate host a host that gives food and shelter to immature stages of a parasite
nephridium a tubule through which some invertebrates eliminate wastes
parapodium in polychaetes, one of the two appendages that are used for locomotion or gas exchange
pharynx in flatworms, the muscular tube that leads from the mouth to the astrovascular cavity; in animals with a digestive tract, the passage from the mouth to the larynx and esophagus
primary host The host that the adult parasites gets it's nutritions from and where it reproduces
proglottids one of the many body sections of a tapeworm; contains reproductive organs
scolex the head of a tapeworm, which has hooks and suckers to adhere to the host tissues
seminal receptacle a saclike organ of female or hermaphroditic invertebrates that stores sperm
gizzard an enlargement of the digestive tract of some invertebrates, such as annelids and insects, that grinds food; a muscular region in the digestive tract of birds that grinds and softens food
seminal vesicle one of two glandular structures in male vertebrates that hold and secrete seminal fluid
Tegument External skin of an organism protects parasites
Created by: eaglesoars
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