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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).

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