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Bio 106 Cestoda function/structure
Bio 106 Cestoda structures
17
Zoology
Undergraduate 2
10/30/2017

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Cards

Term
Phylum
Class
Genus
Definition
Platyhelminthes
Cestoda
Taenia
Term
Scolex
Definition
Attachment to the intestinal wall of host
Uses hooks and suckers
Anterior end
Term
Neck
Definition
Posterior end of scolex
Beginning of immature proglottids
Term
Immature Proglottid
Definition
Small new proglottids formed behind scolex
Term
Excretory Canals
Definition
Longitudinal channels throughout the body Delivers metabolic waste out of body
Term
Mature Proglottid
Definition
Functional reproductive organs
Term
Yolk Gland/Duct
Definition
Eggs are combined with yolk and shelled
Passed to uterus
Term
Uterus
Definition
Shelled, fertilized eggs are stored until proglottid falls off body
Term
Ovary
Definition
Produces eggs
Term
Vagina
Definition
Entry into female reproductive tract
Joins with genital pore
Sperm travel through it
Term
Testes
Definition
Produces sperm
Term
Vas Deferens
Definition
Canal from testes to exit genital pore
Term
Genital Pore
Definition
External opening of male/female reproductive tracts
Sperm exit and enter through opening
Term
Gravid Proglottid
Definition
Ripe, fertilized eggs
Drops off and eliminated with feces
Term
Feeding
Definition
Endoparasite
Nutrients absorbed through epidermis
Term
Reproduction
Definition
Sexual: Monoecious (self/cross fertilization)
Sperm from one proglottid fertilizes another on same worm
Term
Body Type
Layers
Definition
Acoelomate
Triploblastic
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