cuticle
noncellular protective covering outside the skin
amphids
sense organ in the cephalic region
phasmid
sense organ in the tail region
nerve ring
receives sensory input
stylet
piercing mout part
stylet knob
anchors muscles extending forward to the head
valve
regulate 1 way trafiic of food to the esophageal gland to intenstines
complete
digestive system of nematodes
incomplete
excretory system
absent
circular system
Sexual, no asexual
reprtoductive system
gonochoristic
separate sexes of nematodes
vulva
female part for copulation
spermatheca
male part for copulation
spermatheca
stores sperm and site for oocyte fertilization
gonad
produces the gamete
no flagella but with pseudopodia
nematode sperm as no
Placentanema gigantisima
largest nematode
Enoplea, Chromadorea
classes
Enoplea, Dorylaimida
Enoplea subclasses
Caenorhabditis elegans
free living Chromadorian
Wuchereria bancrofti
parasitic Chromadorian
Ascaris lumbricoides
Chromadorian intestinal worm
for smelling
enoplea amphids
chemoreceptors
enoplea phasmids
Trichuris trichiura
Enoplea whipworm
Trichinella spiralis
Enoplea pork worm
glandular or tubular
chromadorean excretory system
pore like-slit like
chromadorean amphids
present or absent
chromadorean phasmids
1 or 2 ovaries
chromadorean number of ovaries
non-tubular
enoplea excretory systems
cylindrical/ bottle-shaped
enoplea esophagus
divided into bulbs
chromadorean esophagus
2
enoplea female number ovaries
2
enoplea male number of testes