Intro To Cestodes/Taenia Flashcards
Entire chain of proglottids
Strobila
Attachment organ of tapeworm
Scolex
What is the diff between a mature proglottid and a gravid one?
Mature: full set of genital organs
Gravid: prominent dev uterus with eggs
Nervous sys location in tapeworm
Scolex
How does the tapeworm obtain nutrition?
Nutrients are absorbed from the envt via integument
T or F
Infection will persist as long as scolex and neck remain attached to intestine
T
The more __ proglottids are more differentiated
Proximal, distal
Distal
Narrow, elliptical grp of follicles behind ovary are called __
Vitellaria
Penis-like structure in Taenia
Cirrus organ
Which has more uterine branches, T.solium or T.saginata?
T.saginata (> 13)
T.solium : 13 or less
With rostellum + 2 rows of hooks
A. Taenia solium
B. Taenia saginata
C. Both
A
Wala ang saginata
With four large suckers
A. Taenia solium
B. Taenia saginata
C. Both
C
Infective stage for taeniasis
cysticercus
Infective stage for cysticercosis
Egg
Diagnostic stage for cysticercosis
Cysticercus in tissue
Diagnostic stage for taeniasis
Egg in feces
T.solium is \_\_ tapeworm A. Beef B. Pork C. Chicken D. Fish
B
T.saginata is \_\_ tapeworm A. Beef B. Pork C. Chicken D. Fish
A
After eggs are swallowed by pigs or cattle & hatch, the __ penetrates thru mesenteric venules & are carried throughout the body
Oncosphere
- Also known as bladder worm
* ovoid, fluid filled with head invaginated into bladder
Cysticercus
The host forms __ around cysticercus
Fibrous capsule
False about taeniasis A. Happens when mature worm resuls after attachment to small intestine B. There may be passage of proglottids C. Infective stage: egg D. None of the 3
C
infective stage: cysticercus
Cysticercosis is seen with
A. Taenia solium
B. Taenia saginata
C. Both
A
Three ways of getting cysticercosis: enumerate
In which infection is symptomatic treatment also done (not just praziquantel)?
A. Cysticercosis
B. Taeniasis
C. Both
A
How do tapeworms excrete waste?
Longitudinal collecting tubules that empty thru bladder @ terminal proglottid
