Transcript Parasitic Worms

Worms (mostly
parasitic)
Or the reasons you need to
make sure you wash your hands
and cook your meat 
Fluke (Flat)
Parasite
Live in nearly every organ and blood
Have suckers to attach to tissue
Can get by eating infected meat
Swim in water; attach and burrow
through skin
Tapeworm (Flat)
Parasitic
Live in intestines and absorbs host's food
Can also live in most organs including
eyes, brain and heart
Head-like organ has hooks and suckers to
attach
No mouth or intestines, but made of
segments that are male and female
Can grow up to 30 feet
Causes stomach pain, diarrhea, and
nausea
Ribbon Worm (Round)
Parasitic
Slender, flattened body with long
snout that has dagger-like stingers
Live in mostly oceans and feed on
other worms and mollusks
Can grow up to 90 feet long
Horsehair worm (Round)
Parasitic
Looks like a coiled horsehair
Lives in freshwater -invades insects
Matures and lives in water after
being passed out of the host's body
Eelworm (Round)
Parasitic
Tiny, threadlike parasites in plants
that attacks leaves, stems and roots
Can survive very cold, very dry
conditions
Ascaris (Round)
Parasitic
Found in tropical regions with poor
hygiene habits
Food contaminated with fecal matter
is eaten; the worm goes into the
host's intestines walls to the lungs,
then to the respiratory tract where
it is swallowed again
Causes pneumonia, abdominal pain and
diarrhea
Pinworm(Round)
Parasitic
Only 3/8 inches long, white body and
pointed tail
Infects horses, rabbits, humans
Goes to the host's intestines and lays
eggs around anus causing swelling
If swallowed, become adults in intestines
Can get under fingernails and in the
clothing
10 - 60% of children have at some time
Trichina (Round)
Parasitic
Eat infected pork that is not cooked
well
Gets into intestines, blood stream to
other parts of the body causing
swelling in muscles and bleeding under
the skin
Causes diarrhea, nausea, vomiting,
fever, headache, muscle pain
Hookworm (Round)
Parasitic
Burrow through skin, usually bare
feet or by eating infected food
Goes into the intestines; causes
anemia, leg and stomach swelling,
itchy hook-shaped patches on skin
and leg and abdominal pain
Vinegar Eel (Round)
Free living
Harmless when swallowed
Lives in non-pasteurized cider vinegar
and feeds on fruit pulp and bacteria
that produces vinegar from cider
Filaria (Round)
Parasitic
Caused by a mosquito in tropics and
subtropics
Infects blood and causes swelling of
limbs
Leech (Segmented)
Parasitic
Lives in damp places, streams, lakes and
oceans
Blood sucker at each end - each with
teeth
When attaches to host, gives off hirudia
which prevents blood from clotting
Has light sensitive cells called "eyes"sensitive to light, touch, temperature and
moisture