differentiate miracidium and cercaria larval forms?
Answer Posted / jaintha
Miracidium:it is the larval form found in platyhelminthes.
It is highly organised bears an anterior boring papilla
which gives rise to primary digestive sac.
it hatches out of egg swims in water in search of
intermediate host which is a snail of genus bulinus.
miracidium can live for 24 hrs in water.
it migrates into snail and enters into visceral mass changes
into sporocysts.
Cercaria;
It is oval shaped with a forked tail.
provided with two suckers.surface is covered with minute spines.
mouth is present in oral sucker.
5 pairs of mucous glands are present.
rudiments of genital organs are situated behind the ventral
sucker.
excretory sysytm is represented by 3 pairs of flame cells.
it swims about 3 days and finally enters into human body.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
What is murrah?
What are the general trends in trade?
Dog lies down to sleep only after observing the surroundings. Why?
How many bones does a newly born human infact have?
Explain what happens when the cell membrane or plasma membrane ruptures or breaks down?
what is an animal?
Why do some animals have larger brains than others? Why do animals with larger bodies have larger brains? How does brain size relate to metabolism or to longevity?
Which animal can produce double milk?
Which are the biggest cats; tiger or lion?
Which animal subsist on flesh?
do you get to deal with animals hands on wile in college
How do Acoelomates maintain homeostasis and regulate internal body conditions without a body cavity?
A common domesticated animal which cannot taste sweet?
Which is a common domesticated animal that is colour blind?
Which animal has the characteristics of both mammals and birds?