vertebrates
vertebrates
vertebrates
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Fig. 34-5<br />
An adult tunicate<br />
Incurrent<br />
siphon<br />
to mouth<br />
Excurrent<br />
siphon<br />
Atrium<br />
Pharynx<br />
with<br />
slits<br />
Tunic<br />
Water flow<br />
Excurrent<br />
siphon<br />
Anus<br />
Intestine<br />
Esophagus<br />
Stomach<br />
Dorsal, hollow<br />
nerve cord<br />
Incurrent<br />
siphon<br />
Excurrent<br />
siphon<br />
Notochord<br />
Atrium<br />
Pharynx with slits<br />
A tunicate larva<br />
Tail<br />
Muscle<br />
segments<br />
Intestine<br />
Stomach