What is the ova of Taenia saginata?
What is the ova of Taenia saginata?
saginata (beef tapeworm) produce ova that are indistinguishable. The ova are about 35 µm in diameter and have a striated edge. Humans develop these tapeworm infections by ingesting cysterceri in the muscle of infected animals.
How many eggs are produced by T. saginata?
100,000
T. saginata may produce up to 100,000 and T. solium may produce 50,000 eggs per proglottid respectively.
How do you tell the difference between Taenia solium and Saginata?
The key difference between Taenia solium and Taenia saginata is that the pigs are the intermediate hosts of Taenia solium, while the cattle are the intermediate hosts of Taenia saginata. Tapeworms are parasitic segmented flatworms which are several meters long.
How many Proglottids are present?
saginata adults usually have 1,000 to 2,000 proglottids, while T. solium adults have an average of 1,000 proglottids. The eggs contained in the gravid proglottids are released after the proglottids are passed with the feces.
How does Taenia saginata reproduce?
As hermaphrodites, each body segment called proglottid has complete sets of both male and female reproductive systems. Thus, reproduction is by self-fertilisation. From humans, embryonated eggs, called oncospheres, are released with faeces and are transmitted to cattle through contaminated fodder.
What is the larval stage of Taenia saginata?
Taenia saginata Infection Taenia saginata, the beef tapeworm, is acquired by eating uncooked beef. Cattle are the intermediate host, whose flesh contains cysticerci, the larval stages. In the human small intestine, after ingestion, these develop into long, flat, segmented adult worms.
What is the larval stage of Taenia solium called?
cysticercus
Cysticercosis is the disease associated with the development of the larval form (cysticercus) of the pork tapeworm, Taenia solium, within an intermediate host.
What is the difference between Proglottids and scolex?
The scolex contains organs which facilitate attachment to the host tissue. Examples of this include suckers or hooks. The neck contains germinal cells which can give rise to new proglottids. Proglottids are individual segments of the strobilus and contain reproductive organs of both sexes.