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30 Cards in this Set
- Front
- Back
Trematodes have a body that is _____.
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flattened, elongated and leaf like
|
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schistosomes
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-only exception to flattened trematode bodies
-ovoid, conical, and cylindrical bodies |
|
Trematotodes have muscular suckers and spines located
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anteriorly and ventrally that are used for the attachment to the host
|
|
Trematodes have layers of muscles beneath the integument used to
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alter the shpae of the worm by contraction, elongation and flexion
|
|
Trematodes contain an intervening space b/w
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the carious organs that is filled with fluid and a network of connective tissue cells and fibers
|
|
Trematodes do not have a _____ ______, but have a ___________________ that constits of a muscular, globular pharynx that bifurcates to form 2 posterior lobes: schistosomes are an exception (they lack a pharynx)
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body cavity; have a digestive tract
|
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How is nutrition obtained?
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From the hosts tissues, secretions or intestinal contents
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The integument absorbs ___ and excretes _____ and ___.
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carbohydrates; metabolites and mucus
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Trematode excretory system consists of
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flame cells, capillaries, connecting tublues, a bladder, and an excretory pore
|
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Nervous system is composed of
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2 lateral ganglia near the pharynx and longitudinal nerve fibers extending anteriorly and posteriorly throughout the fluke body
|
|
Trematodes are hermaphorditic which means
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their reproductive system consists of ovaries and testes present in each indidual
|
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Schistosomes are dioecious
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dont have overies and testes in each individual
|
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Eggs are
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released when mature into the body cavities of their host
|
|
Life cycle includes
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a snail host and asexual multiplication
|
|
Life span
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can cover several years or up to 30 years with the schistosomes
|
|
Trematodes have a body that is _____.
|
flattened, elongated and leaf like
|
|
schistosomes
|
-only exception to flattened trematode bodies
-ovoid, conical, and cylindrical bodies |
|
Trematotodes have muscular suckers and spines located
|
anteriorly and ventrally that are used for the attachment to the host
|
|
Trematodes have layers of muscles beneath the integument used to
|
alter the shpae of the worm by contraction, elongation and flexion
|
|
Trematodes contain an intervening space b/w
|
the carious organs that is filled with fluid and a network of connective tissue cells and fibers
|
|
Trematodes do not have a _____ ______, but have a ___________________ that constits of a muscular, globular pharynx that bifurcates to form 2 posterior lobes: schistosomes are an exception (they lack a pharynx)
|
body cavity; have a digestive tract
|
|
How is nutrition obtained?
|
From the hosts tissues, secretions or intestinal contents
|
|
The integument absorbs ___ and excretes _____ and ___.
|
carbohydrates; metabolites and mucus
|
|
Trematode excretory system consists of
|
flame cells, capillaries, connecting tublues, a bladder, and an excretory pore
|
|
Nervous system is composed of
|
2 lateral ganglia near the pharynx and longitudinal nerve fibers extending anteriorly and posteriorly throughout the fluke body
|
|
Trematodes are hermaphorditic which means
|
their reproductive system consists of ovaries and testes present in each indidual
|
|
Schistosomes are dioecious
|
dont have overies and testes in each individual
|
|
Eggs are
|
released when mature into the body cavities of their host
|
|
Life cycle includes
|
a snail host and asexual multiplication
|
|
Life span
|
can cover several years or up to 30 years with the schistosomes
|