Exam 3 models
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Transcript of Exam 3 models
Exam 3 models
Phylum: porifera
osculum
Budding
Blue: ostium
spongoceol
Hydra
budding
tentecles
mouth
Gastrovascular cavity (cream color)
ovary
testies
Epidermis(green)
Mesoglea layer (red)foot
budding
Bud forming
gonads mouth tentecles
gastrodermis
Epidermis(blue)
gastrodermis
Mesoglea layer
epidermis
nematocyst
Nucleus
nematocyl
filiament
Gross anatomy of Planaria
oracles
Eye spots
CerebralGanglion(like brain)
Ovary (pink)
Testies (blue)
Excretory ducts (green lines), connect to flame cells
Gastrodermis/Gastrovascular cavity
Parencyma
tegument
Circular muscle
Longitudinal muscle
Yolk gland
Lateral nerve
Transverse nerve
Parenchyma (pink)
pharynx
Oviduct (red line)
Planaria (cross section)
Oviduct (yellow)
Testies (blue)
Gastrovascular Cavity(red)
phayrnx
Cell: flame cell
Excretory pore
Circular muscleLongitudinal muscle
tegument
Gastorvascularcavity
Brandches: divertum
Clonorchis sinensis common name: human liver fluke
Oral sucker
Ventral sucker
mouth
pharynx
esophagus
Cerebral ganglia(white)
Intestinal ceca(red)
Clonorchiscommon name: human liver fluke
class: trematoda
uterus Yolk gland
Seminalreceptacle
ovary
Excretory bladder
Excretory pore
Testies(blue)
Taenia solium
*4 suckers + hooks on top
*little bit rostellum (elevation)
Taenia saginatus
*no hooks
*no rostellum
Cysticercus cuticceroeggs
Immature proglottid
testies
uterus
Yolk gland
ovary
Genital pore
Nerve (yellow)ExcretoryCanal (blue)
Mature proglottids
Gravid proglottids(uterus is filled with eggs)
“rice grain”worms
Class:cestoda
Mature proglottids
Yolk gland
ovaries
testies
uterus
Excretory pore
Circlitory & circularmuscles
parenchyma
Gravid proglottids(ripe)
Most of proglottids Become uterus
Testies & ovaries vanish
Class: cestoda