Class: Eucestoda (True tapeworms) Flashcards
Eucestoda (true tapeworms)
✓ most species occur in the SMALL INTESTINE as adults, few in DUCTS
✓ USUALLY ASSOCIATED WITH TERRESTRIAL FOOD CHAIN
✓ COTYLODA IS AQUATIC
reproductive organs are single or double set in each segment
Family Anoplocephalidae
eggs are covered with an outer vitelline middle albuminous and inner chitinous layer bearing a pyriform apparatus
Family Anoplocephalidae
intermediate host of Family Anoplocephalidae
oribatid mites (oribatula)
live on pasture, soil and subsist on bacteria fungi and decaying vegetable matter
Oribatid mites
3 genera of family Anoplocephalidae
✓ Anoplocephala
✓ Paranoplocephala
✓ Monieza
host of Anoplocephala perfoliata
Horse, Donkeys other herbivores
Found in small and large intestine particularly the ILEO-cecal junction
Anoplocephala perfoliata
Distribution of Anoplocephala perfoliata
Cosmopolitan: present in the Philippines
with lappet behind each of the 4 large suckers
Anoplocephala perfoliata
Eggs are spherical or angular-shaped or pear shaped covered by 5 envelopes
Anoplocephala perfoliata
Predilection site of Anoplocephala perfoliata
ileo-cecal junction
prepatent period of Anoplocephala perfoliata
1-2m
affects all ages but clinically affects horses that are 3-4 years of age
Anoplocephala perfoliata
Treatment of Anoplocephala perfoliata
Niclosamide, Mebendazole, Bithionol
Common Name of Anoplocephala magna
Large tapeworms of Horse
SN of large tapeworms of horse
Anoplocephala magna
predilection site of Anoplocephala magna
small intestine, occasionally the STOMACH
its morphology same with A. perfoliata except for the absence of lappets
Anoplocephala magna
Host of Anoplocephala magna
Horse and donkey
with a narrow scolex bearing a slit like sucker
Paranoplocephala mamillana
Lappets are absent
Paranoplocephala mamillana
non-pathogenic
Paranoplocephala mamillana
SN of “Double-pored tapeworm of sheep and goats”
Moniezia expansa
Common Name of Moniezia expansa
Double-pored tapeworm of sheep and goats
egg shape of Moniezia expansa
Triangular shaped-eggs
SN name of “double-pored tapeworm of cattle”
Moniezia benedini
egg shape of Moniezia benedini
quadrangular
Host is chiefly cattle but small ruminants may occasionally be infected
Moniezia benedini
Host are small ruminants (sheep and goat); occasionally cattle
Moniezia expansa
a row of rosette like interproglottid glands extends almost across the width of the segment
Moniezia expansa
confined to a short row close to the middle of the segment
M. benedini
quadrangular shape containing a well developed pyriform apparatus
M. benedini
Treatment for Moniezia spp.
✓ albendazole
✓ praziquantel
✓ niclosamide
Bertiella spp.
Bertiella studeri
Bertiella mucronata
Bertiella sp. in small intestine in humans
Bertiella studeri
Bertiella sp. in small intestine in monkey
Bertiella mucronata
