reviewer
DESCRIPTION
TRANSCRIPT
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Mature Oocyte
Vitellogenic Phase
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Nucleoli
Germinal Vesicle
Lobulated Nuclear Membrane
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Animal Pole
Vegetal Pole
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Yolk Platelet
Yolk NucleiFollicle Cells
Theca Interna
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Animal Hemisphere
Jelly Coat
Vegetal Pole
Before Cleavage
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Cleavage Furrow
Blastomeres
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Cleavage Furrow
Blastomeres
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3rd Cleavage Furrow (Equatorial)
Micromeres
Developing Blastocoel
Macromeres
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Micromeres
Developing Blastocoel
Macromeres
Fertilization Membrane
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Early Blastula
Blastocoel filled with albuminous fluid
Vegetal Hemisphere
Animal Hemisphere
Marginal Zone, Germ Ring, Marginal Belt
Nucleus (darkly staining body)
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Late Blastula
Blastocoel filled with albuminous fluid
Vegetal Hemisphere
Animal Hemisphere
Epidermal Layer
Nervous Layer
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Early Gastrula
Dorsal lip of the Blastopore
Ventral lip of the Blastopore
Disintegrating Blastocoel
Blastopore
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Gastrula
A – Anterior End (Point of Sperm Entry)P – Posterior End (Yolk Plug)1 - Ectoderm2 - Endoderm 3 - Mesoderm4 - Disintegrating Blastrocoel5 - Archenteron / Gastrocoel6 - Dorsal Lip of the Blastopore7 - Blastopore8 - Vental Lip of the blastopore9 - Endodermal Mass 10 - Completion Bridge11 - Chordamesoderm
10
11
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Neural Plate
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Notochord
Neural GrooveNeural FoldNeural Crest
Somatic Mesoderm
Lateral Plate Mesoderm
Splanchnic Mesoderm
Midgut
Gut Endoderm
EctodermEndoderm
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Nerve CordNeural CanalNotochord
Neural Crest
Somite mesoderm
SomatopleureSubnotochordal Notch
Splanchnopleure
Splanchnic Mesoderm
Midgut
Endoderm
Neural Tube
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Level of Telencephalon
1
1
2
2
3
3
Encircled - Notochord1 – Lateral Ventricles enclosed by the Cerebral Hemispheres2 – Olfactory Membrane3 – Olfactory Tube4 – Parachordal cartilage5 – Pharynx6 – Mandibular Cartilages7 – Oral Sucker8 – Lip9 – Tooth Germ10 – Epidermis11 - Melanophores
4
4
5
67
8
8
9
10
11
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Jacobson’s Organ
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Level of Diencephalon
1 – Diencephalon (cavity: III ventricle or diocoel; roof Anterior Choroid Plexus)2 – Infundibulum3 – Hypophysis4 – Pharynx5 – Lens6 – Retina7 – Cornea8 – Optic Nerve9 – Thyroid Bodies10 – Lymph Sinus11 – Ceratohyal Cartilage12 – Basibranchial Cartilage13 – Mandibular Muscles14 – Hyoid Muscle
1
23
9
56 784
10
11
10
12
13
14
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1 – Myelencephalon2 – Rhombocoel or IV ventricle3 – Saccule4 – Anterior Semicircular Canal5 – Endolymphatic Duct6 – Ganglion VIII7 – Anterior Cardinal Vein8 – Pharynx9 – Velar Plate10 – Gill rakers11 – Atrium12 – Ventricle13 – Pericardial Cavity14 – Opercular Chamber15 – Internal Gills
1
2
33
4 45
66
77
8
9
1010
11
1213
1414
1515
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Aortic Arch
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Ventricle
Sinus VenosusDuct of Cuvier
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1 – Esophagus2 – Lung Bud3 – Nephrostome4 – Glomus5 – Liver6 – Peritoneal Cavity7 - Spiracle 1
2
23
4
5
6
7
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