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ZOO 111 LAB
Platyhelminthes
Dugesia sp.
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Cards (4)
Phylum: Platyhelminthes
Class: Turbellaria
Order: Tricladida
Family: Planariidae
Genus:
Dugesia
Common name:
Planaria
head
auricle
ocellus
anterior intestinal ramus
parenchyma
pharynx sheath
pharynx
pharyngeal cavity
pharynx lumen
mouth
trunk
posterior intestinal ramus
ceca
auricle
anterior branch of gastrovascular cavity
pharynx
mouth
ocellus
posterior trunk of gastrovascular cavity
A) 1
B) 2
C) 3
D) 4
E) 5
F) 6
Planaria cross section
A)
diverticulum
B)
epidermis
C)
gastrovascular cavity
D)
buccal cavity
E)
circular muscle
F)
glandular tissue
G)
longitudinal muscle
H)
vertical muscle
I)
nerve cord
J)
lumen of pharynx
K)
cilia
L)
parenchyma
M)
adhesive gland
13