Phylum Nemertea (Rhynchocoela)
Phylum Nemertea (Rhynchocoela)
Phylum Nemertea (Rhynchocoela)
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Epidermis<br />
Frontal gland<br />
Esophagus<br />
Rhynchodaeum<br />
Rhynchopore<br />
Circular muscle<br />
Lateral“green<br />
” nerve cords<br />
Frontal<br />
organ<br />
Excretory pores<br />
Cephalic loop<br />
Ovaries<br />
Proboscis insertion<br />
“yellow”<br />
excretory system<br />
Diagonal muscle<br />
Longitudinal muscle<br />
Lateral nerve<br />
Mid dorsal nerve<br />
Rhynchocoel (proboscis is<br />
underneath)<br />
Digestive<br />
system cannot<br />
be seen,<br />
Underneath<br />
rhynchocoel<br />
NSF PEET grant (DEB 9712463) to<br />
Jon Norenburg ( norenbur@lab.si.edu) and<br />
Diana Lipscomb ( biodl@gwu.edu).