Taenia

Question 1

Taenia

Answer 1

tapeworm
SI (upper jeju)

Taenia saginata - Cysticercus bovis
Taenia solium. - Cysticercus cellulosae
- Eggs Infective forms

Question 2

Morphology of Taenia saginata

Answer 2

Scolex(head). Quadrate with 4 circular suckers
No rostellum or hooklets
Proglottids - common genital pore at posterior end of each segment
Vagina- sphincter miuscle
Gravid uterus-
Gravid segments singly expellled
Live for Upwards of 10 years

Question 3

Eggs of tania saginata

Answer 3

Eggs liberated by rupture of ripe proglottids
Spherical Brown
Thin outer transparent shell
Inner embryophore
Oncosphere with 3 pairs of hooklets
Does not float in common salt
Infective only to cattle

Question 4

Taenia solium

Answer 4

Pork tapeworm( armed tapeworm of man)
SI ( upper jejunum)
Raw of uncooked measly pork

Question 5

Morphology of adult tapeworm of Taenia solium

Answer 5

Scolex globular with 4 cicular suckers
Rostellum with double row of alternating large and small hooklets
Common gential pore
Gravid uterus
Gravid segments expelled passively not singly
Lifespan of 25 yrs

Eggs infective to both pigs and man