Intestinal tape worms - Taenia spp Flashcards
Cyclophyllidean cestodes typically have
a scolex with four suckers and a rostellum, which is armed with hooks
Taenia saginata
beef tapeworm
Unarmed or armed?
unarmed scolex
Diagnosis
gravid proglottids in feces
When a segment starts to dry up:
eggs rupture and are released
Adults live in
SI
Eggs are _________
embryonated
Intermediate hosts
cattle, goats, sheep
Lateral branches T. saginata:
14-32
Lateral Branches T. solium:
7-11
Humans becomes infected with saginata:
By consuming cysticerci in undercooked beef, scolex attaches to intestine
Intermediate host get infected
By consuming eggs which hatch a hexacanth penetrates the intestinal wall and is carried by the circulatory system to muscular system and develops into cysticerci
Proglottids may
crawl out of anus
Control
meat inspection of pin head cysts
Treatment
Praziquantel