CESTODES Flashcards
Shape of Cestodes
Flat/Ribbon like
General characteristics of Cestodes
White, Yellowish in Color/ Creamy White in Color
Flat and segmented
No Gastrointestinal Tract/ Alimentary Canal (No Mouth, No Anus)
No Circulatory System
Entry of Nutrients and Exit of Waste: Integument
With Well-developed Reproductive Organs: Testes, Ovary, Uterus
Anterior Attachment Organ of Cestodes
Scolex
Protrusible structure armed (with hooks) or unarmed (without hooks)
Rostellum
Region of growth for Cestodes
Neck
Chain of Segments/ Strobila
Proglottids
Structure of Immature proglottid
Found nearest to the neck
Structure of Mature proglottid
Found at middle portion where reproductive structures are formed and found
Structure of Gravid proglottid
Filled with eggs, presence of egg in the uterus, farthest from the head; can be detached (apolysis)
Where the Egg Exits
Uterine Pore
Site at where Male and Female Organs Meet
Genital Pore
Embryo with 6 hooklets
Hexacanth Embryo
Protects the Embryo, contains 6 hooklets
Oncosphere
Two main Order of Cestodes
Pseudophyllidean
Cyclophyllidean
Common name of D. latum
Broad/Fish Tapeworm
Largest tapeworm of man
D. latum
Sucking organ of D. latum
Bothrium