zoology lab exam ii
TRANSCRIPT
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Zoology Lab Exam II
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Phylum Porifera
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Ostium
Incurrent canal (blue)
apopyle
spongocoel
osculum
Radial canal (yellow)
Mesohyl(pink space in between)Prosopyle (vertical line
Can’t see in picture)
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Gemmules 100x
spongin
spicules
w.M 100x
Incurrent canal Choanocyte
chambers
Excurrent canal
c.s. 40x
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spongocoel
l.s. 40x
spongocoel
Oscula (osculum)
L.S 100x
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Phylum porifera
spongin
10.5x
spongocoelapopyle
prosopyle
radial canal
Incurrent canal
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Phylum Cnidaria
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Class Hydrozoa
Gastrovascular cavity
Epidermis = outer layerGastrodermis = inner lining Mesoglea = stuff in the middle of the 2 bud Gastrovascular cavity
tentacles
100x
40x
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Class Hydrozoa
hydranth
polyp
gonangium
medusa
Gastrovascular cavity
40x
Medusa 100x
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Class Hydrozoa
Gastrovascular cavity
Mesoglea
epidermis
Gonads
TentacleMouth
Gastrodermis
Bud
Cnidocil
Nematocyst
Cnidocyte
Barb
Filament
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Class Scyphozoa
Adult medusa
Planula 100x
Scyphistoma 40x
Strobila 40x
Ephyra 40x
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Class Anthozoa
tentacles
Gastrovascular cavity(gastrodermisAll around edges)
pharynx
septa
Pedal disk
Oral disk
septa
Gastrovascular cavity(gastrodermisCovers everything inside)
epidermis
10.5x
C.S.
L.S.
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Class Anthozoa
Oral disk
epidermis
gastrodermis
gonads
Septal perforation(ostium)
Tentacles
acontia
Gastrovascular cavity
Pedal disk
septa
Pharynx
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Phylum Platyhelminthes
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Class Turbellaria
Pharynx
Gastrovascular cavity
Auricle
Ocelli (eye spot)
40x
400x c.s.
Circular muscle
Longitudinal muscle
Gastrovascular cavity
Dorsoventral muscle
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Class Turbellaria
Gastrovascular cavity
Ciliapharynx
100x c.s.
Cilia
Excretory canal
Gastrovascular cavity
Flame cells
Yolk gland
testes
Circular muscle
Longitudinal muscle
Dorsoventral muscleoviduct
epidermis
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Class Turbellaria
OcelliOvary
testes
penisCircular muscle
Longitudinal muscle
Cerebral gangliaFlame cells
Excretory canals
pharynx
epidermis Gastrovascular cavity
auricle
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Class Turbellaria
Gastrovascular cavity oviduct Yolk glands
penis
Epidermis and cilia
Auricle
mouth
pharynx
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Class Trematoda
Adult 40x
miracidia
Sporocyst 400x
Redia 40x
Cercariae 40x
metacercariae
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Class Trematoda
LIVER FLUKE
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Class Cestoda: whole body = strobila
Scolex40x
Immature proglottids Mature male
proglottids
Genital pore
testes
Genital pore
ovary
Mature female proglottids
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Class Cestoda
Gravid proglottids 40x
Male mature proglottids
scolexsucker
Immatureproglottids
Genital pore
Testes (little dots)
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Class Cestoda
Genital pore
Gravid proglottids
Mature female proglottids
ovary
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Phylum Mollusca
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GastropodaBivalvia
Cephalopoda Class Polyplacophora
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Class Gastropodaeye
tentacle
shellMantle cavity intestine
heart
footoviduct
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Class Gastropoda (snail radula)100x w.m.
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Class Gastropoda
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Class BivalviaAnterior footretractor muscle
umboAnterior adductor muscle
Mouth
foot
Labial palps
esophagusDigestive glands
gonadsauricle
kidney
gills
Pallial muscle/line
Mantle/ mantle cavity
Suprabranchial chamber
Posterior adductormuscles
Posterior footretractor muscles
rectum
Heart/ventricalPericardium(membrane)
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gills
Digestivegland
Pallial muscle (line is under) Crystalline style
foot
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Anterior adductor muscleAboveAnterior foot retractor muscle
Posterior adductor muscleAbove Post. Foot retractor muscle
Labial palps
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kidney
Gonads Near C.S.
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Class Bivalvia
Pallial muscle
Pallial line
mantle
Suprabranchialchamber
auricle
pericardiumventricle
rectum
kidney
Mantle cavity
gills
Lines of growth
FOOT
gonads
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Class Bivalvia
100x w.m.
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Class Polyplacophora
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Class Cephalopoda
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Cecum
Ink gland
pen
Lateral finsTube that goes in Is funnel
gills
Gonads are yellow stuff
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Branchial hearts
Systemic heart
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beak
radula
PallialCartilage
Arms are shorter than tentaclesVisceral mass is everything on insideMantle cavity is the space Mantle is membrane
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Phylum Annelida
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Kingdom Anamalia Phylum Annelida
Class Polychaeta
Class Clitellata, subclass Oligochaeta
Class Clitellata, subclass Hirudinea
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Class Polychaeta
Dorsal cirrus
notopodium
setae
neuropodium
Ventral cirrus
40x
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Class Clitellatasubclass Oligochaeta
Seminal Receptacles Seminal
VesiclesSepta
CuticleEpidermisCircular mus.Longitudinal mus.
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Class Clitellatasubclass Oligochaeta
Dorsal vessel
Typhlosole
peritoneum
setae
Longitudinal muscle
Circular muscle
Coelom
Cuticle
nephridium
intestine
Ventral nervecord
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Class Clitellatasubclass Oligochaeta
Ventral nervecord
typhalosole
gizzard
crop
Seminal vesicles
Seminal receptacles
Dorsal Blood vessel
pharynxCerebral ganglia
mouth
esophagus
prostomium
coelom
Aortic arches
septum
intestine
Peristomium = the first segment
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Aortic archesBlack line = Dorsal blood vesselUnder is esophagus
prostomium
peristomium
intestine
crop
Cerebral ganglia
gizzard
pharynx
Seminal receptacles
seminalvesicles
PeritoneumMembranein between septa
Setae = little hairsSepta = lines
Under intestine= ventral nerve cordWhite line
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The “u” = the typhlosole
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cuticle
epidermis
setae Longitudinal mus.
Ventral nerve cordtyphlosole
Circular mus.
Dorsal blood vesselcoelom
Lumen ofintestine
40x
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Class Clitellata Subclass Hirudinea
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Class Clitellata Subclass Hirudinea
40x
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Phylum Nematoda
400x
worms
Longitudinal muscleintestine
uterus
oviduct
pseudocoelom
cuticle
epidermis
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Phylum Arthropoda
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Subphylum Chelicerata; class Merostomata
telson
Book gills
Walking legs
pedipalp
chelicerae
prosoma
abdomen
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Subphylum Chelicerata; class Merostomata
telson
Compound eye
Simple eye
prosoma
abdomen
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Subphylum Chelicerata; class Arachnida
eyes
pedipalp
cheliceraeProsoma(cephalothorax)
Abdomen(opisthosoma)
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Subphylum Chelicerata; class Arachnida
pedipalp
Chelicerae (hold fangs)
pedicel
Lung slit
Walking legs
spinnerets
prosoma
abdomen
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Subphylum Trilobitomorpha: extinct
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Subphylum Crustacea
Class Branchiopoda: daphnia, fairy shrimp, brine shrimpClass Maxillopoda: copepods cyclops:
Class Malacostraca: crabs, lobster, shrimp
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Subphylum Crustacea; class Malacostraca
https://www.dropbox.com/s/8j5qgl7oziq9ow6/20130319_153156.mp4
anus
Carapace = outer shellRostrum is shell on head area
Bigger pinchers=cheliped
telson
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Digestive glands covered in Gonads
gills
Abdominal extensor muscle on topOf flexor muscle (go down sides)
Antennae are longer than antennules
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Subphylum Crustacea;class Malacostraca
gonads
heartAbdominal Extensor muscles
gills
carapace
Abdominal Flexor muscles
Digestive gland
intestine
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stomach
Gastricteeth
cheliped
heartgonadsrostrum Compound eye Hepatopancreas(digestive gland)
DorsalAbdominal artery intestine
anus
AbdominalExtensormusclesAbdominal
flexormuscles
pleopods
telson
uropods
pereiopods
abdomen
cephalothorax ostia
Periopods are on thoraxPleopods are on abdomen
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Antennal glands
Mandibular muscle
Supraesophagealganglia
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Subphylum Myriapoda; class Chilopoda = Centipedes2 legs per segment, flat, venomous
Subphylum Myriapoda; class Diplopoda4 legs per segment, round, detritivores
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Subphylum Hexapoda; class Insecta; superorder ExopterygotaOrder Orthoptera: grasshopper
Order Blattaria: cockroaches Order Hymiptera: true bugs
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Tracheae (pink line)crop
Malpighian tubules
spiracle
ovipositer
Subphylum Hexapoda; class Insecta; superorder ExopterygotaOrder Orthoptera
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ProthoraxWhere 1st leg is
mesothoraxmetathorax
typanum TrochanterCoxa is around it
Hind wing
forewing
Oviposter = little bumps on endSpiracle = holes on tergum(tergum is the top of lineSternum is under the line)
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• 1st set = maxillary palps connected to the maxilla
• 2nd set = labial palps connected to labium
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Subphylum Hexapoda; class Insecta; superorder EndopterygotaOrder Coleoptera: beetles Order Lepidoptera: moths/ butterfliesOrder Diptera: flies, gnats, mosquitoes Order Hymenoptera: wasps, bees, ants
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Subphylum Hexapoda; class Insecta; superorder EndopterygotaOrder Lepidoptera: moths/ butterflies
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Subphylum Hexapoda; class Insecta; superorder Endopterygota
Order Diptera: flies, gnats, mosquitoes
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Order Hymenoptera: wasps, bees, ants
Subphylum Hexapoda; class Insecta; superorder Endopterygota
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Subphylum hexapodaClass InsectaSuperorder EndopterygotaOrder Hymenoptera
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Phylum EchinodermataClass Crinoidea: sea lilies/ feather stars
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• Class
• Crinoidea
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Class Asteroidea
Class Echinoidea
Class Ophiuroidea
Class Holothuroidea
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Cardiac stomach
anus
Rectal ceca
Pyloric stomach
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pedicellariae
Dermal branchiae
Pyloric ceca
Lateral canal
coelom
spines
ossicles
Tube feet
Radial canal
ampullae
Ambulacral ridgeGroove is on bottom
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Spines
Pyloric ceca
Nerve ring
Ring canal
Stone canal
mouth
Radial canal
Lateral canalRadial nerve
coelom
ossicles
Ambulacral ridge
gonads
ampullae