exam 3 slides powerpoint
TRANSCRIPT
Exam 3 slides
Bio 2
• Phylum: – Porifera
• Structure: – spongin
• Molecule: – collagen
• Phylum:– porifera
• Structure:– Spicules
• Molecule: – calcium carbonate – or silicon
Sponge/scypha
• Phylum: – porifera
• Class:– calcarea
• Canal type: – synconoid
Sponge 1.sscypha
ostium Incurrent canalRadial canal
amphiblastula
Layer:mesoglea
spongocoelapopyl
Cell:Ameobocytes/archyocytes
Cell:choanocytes
Opening here:prosopyle
Scypha spongocoel
Incurrentcanal
Radial canal apopyle
Sponge gemmules
Sponge gemmules
Spongespicules
Leucosolenia
osculum
Leucosolenia
• Phylum:– Porifera
• Class:– calcarea
• Canal system: – asconoid
osculum
Obelia young medusa strew
Genus: Obelia
Class: Hydrozoa
Structures: medusa buds
Obelia young medusa strew
Obelia young medusa strew
Aurelia planula larvejelly fish
Phylum: Cnidarian
Structure: planula
Locomotion: cilia
Aurelia ephyra
Class: scyphazoa
Genus:Aurelia
Obelia colony
Colony:Hyrdranth(feeding)
tentacles
Colony:Gonangium(reproductive)
Medusa buds
Structure:Perisac(dead material)
Molecule:catin
Coenosarc(living)
Hydranematocysts
Hydrabudding
tentacles
Basal disc (foot) mouth
bud
hypostome
Hydra
• Phylum: – cnidarians
• class: – hydrozoa
epidermis
gastrodermis
Mesoglea layer
Gastrovascular cavity
Planaria w.maka (scientific name): dugesia
Eye spots
pharynxClass: turbellaria
Planaria c.s
Gastrovascular cavity Nerve chord
pharynx
Circular muscles
Longitudinal muscles
epidermis
gastrodermis
Buccal cavity
Parenchymalayer
Anterior portion of Clonorchis
mouth
Oral sucker
pharynx
esophogas
Intestinal Secum (?)
Mid section of Clonorchris
Yolk gland
uterus
Sturcture hiding under uterus:Ventral sucker
Intestinal secum
Posterior portion of Clonorchris
ovaryYolk gland
testies
Clonorchis w.mcommon name: human liver fluke
mouth
Gastrovascular cavity
uterus
Yolk glands
testiesovaries
Excretory pore
Clonorchis eggs
Fasciola hepaticaclass: Trematoda
Oral sucker
Ventral sucker
Uterus w/eggs
Yolk glands
testies
• Organism: – Fasciola hepatica
• stage/life: – Cercaria
• *goes to vegetation and comes back as metacercaria
• Organism: • Fasciola hepatica
• stage/life/structure:– miracidium
• *this is what comes out of the egg, goes into snail
Fasciola hepatica(redia)
Fasciola hepatica Cercaria
Fasciola hepatica(metacercaria)
• Scistosoma cercaria
• Species: scistosoma
• Head has digestive enzymes to go into human
• Branched tail help it to swim
Schistosoma w.mfemale and male
Gender: female
Gender: male
Ventral sucker
Oralsucker
Gynecophoric canal
Schistosoma w.mfemale and male
Schistosoma ova
spikespike
Taenia scolexstructure: scolex
suckersproglottids
Mature proglottids
ovary
Yolk gland
testies Genital pore
Gravid ploglottids
*filled with eggs
Organism: Dipylidium caninum
Rostellum(identified by elevation)
suckers
hooks
Organism: Dipylidium caninum
Gential pores (2)
ovaries
testies
Organism: Dipylidium caninum
ovaries
sperm
Genital pore
Organism: Echinococcus granulosus
Hydatid cyst
Organism: Echinococcus granulosus
3 segments: scolex
geminated zone
mature proglottids
*Organism: Echinococcus granulosus is smallest tapeworm [3 segments]
Diphylobothrium latum ova
• Organism: – Diphylobothrium latum
• Disease: – pernicious anemia
(megaloblastic anemia): vitamin B12 deficiency
scolex
Organism: Tania solium
Class:Cestoda (tapeworm)
Structure: Cystercercus
Disease:Cerebral cysticercosis