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    ILLUSTRATED ATLAS

    OF

    EMBRYOLOGY

    BY

    Prof. Dr. HAMZA AHMAD

    EL SHABAKA

    Department of zoology

    SECOND EDITION

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    .

    .

    .

    ..

    Hamzashabaka @ gmail.com

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    Embryonic development of amphioxus

    Fig. 1: T.S. of the testis Fig.2: T.S. of the ovary

    Fig.3: Fertilized egg Fig.4: 2-blastomere stage

    Fig.5: 4-blastomere stage Fig.6: 8-blastomere stage

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    Drawing of fig.4

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    Drawing of fig.

    1 Drawing of fig.

    2

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    Fig.7: 16-blastomere stage Fig.8: 32-blastomere stage

    Fig.9: Blastula stage Fig.10: S.S. through blastula (model)

    Fig.11: GastrulaFig.12: S.S. through gastrula (model)

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    Drawing of fig.10

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    Fig.13: Early embryo

    Fig.14: T.S. of early embryo (model) Fig.15: T.S. of late embryo (model)

    Fig.16: Early larva

    Fig.17: Late larva

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    Drawing of fig.13

    Drawing of fig.14 Drawing of fig.15

    Drawing of fig.16

    Drawing of fig.17-7-

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    Embryonic development of the toad

    Fig.1: T.S. of the testis Fig.2: T.S. of the ovary

    Fig.3: Fertilized egg

    (model)

    Fig.4: 2-blastomere

    stage(model)

    Fig.5: 4-blastomere

    stage(model)

    Fig.6: 8-blastomere

    stage(model)

    Fig.7: 16-blastomere

    stage(model)

    Fig.8: S.S. of 32-blastomere

    stag

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    Drawing of Fig.1Drawing of Fig.2

    Drawing of fig. 3 Drawing of fig. 4 Drawing of fig. 5

    Drawing of fig. 6 Drawing of fig. 7 Drawing of fig. 8

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    Fig.9: Blastula stage

    (model)

    Fig.10: S.S. of Blastula

    Fig.11: Early gastrula

    (model)Fig.12: S.S. of early gastrula

    Fig.13: S.S. of early gastrula

    (model)

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    Drawing of fig. 9 Drawing of fig. 10

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    Drawing of fig. 13

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    Fig.14: Late gastrula (model) Fig.15: S.S. of late gastrula

    Fig.16: S.S. of late gastrula

    (model)

    Fig.17: Embryo at neural plate

    stage (model) Fig.18: T.S. of embryo at

    neural plate stage

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    Drawing of fig. 14

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    Fig.19: Embryo at neural fold

    stage (model)

    Fig.20: T.S. of embryo at neural

    fold stage

    Fig.21: Embryo at neural

    tube stage (model)

    Fig.22: T.S. of embryo at neuraltube stage

    Figf.23: L.S. of embryo at neural tube

    stage (model)

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    Fig.24: 4 mm embryo

    Fig.25: S.S. of 4 mm embryo

    Fig.26: H.S. of optic region Fig.27: H.S. of pharyngeal region

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    Drawing of Fig.24

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    Drawing of fig. 25

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    Fig.28: T.S. of olfactory region

    (4 mm embryo)

    Fig.29: T.S. of optic region

    (4 mm embryo)

    Fig.30: T.S. of heart region

    (4 mm embryo)

    Fig.31: T.S. of pronephric region

    (4 mm embryo)

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    Fig.32: 6 mm tadpole

    Fig.33: S.S of 6 mm of tadpole

    Fig.34: H.S. of

    optic region

    of 6 mm

    tadpole

    Fig.35: H.S. of

    pharyngeal

    region of6 mm tadpole

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    Drawing of fig.32

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    Fig.36: T.S. of olfactory region

    of 6 mm tadpole

    Fig.37: T.S. of optic region

    of 6 mm tadpole

    Fig.38: T.S. of heart region

    of 6 mm tadpole

    Fig.39: T.S. of pronephric region

    of 6 mm tadpole

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    Fig.40: 10 mm tadpole

    Fig.41: S.S. of 10 mm tadpole

    Fig.42: H.S. of optic region of

    10 mm tadpole

    Fig.43: H.S. of pharyngeal region of

    10 mm tadpole

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    Drawing of fig. 40

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    Fig.44: T.S. of olfactory region of

    10 mm tadpole

    Fig.45: T.S. of optic region of

    10 mm tadpole

    Fig.46: Enlarged eye

    Fig.47: T.S. of heart region of

    10 mm tadpole

    Fig.48: T.S. of pronephric region of

    10 mm tadpole

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    Drawing of fig.44

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    Embryonic development of chicken

    Fig.1: T.S. of the testis

    Fig.2: T.S. of the ovary

    Fig.3: 19-hour chick embryo

    Fig.4: T.S. of neural fold region

    of 19-hour chick embryo

    Fig.5: T.S. of primitive streak region

    of 19-hour chick embryo

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    Drawing of fig.4

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    Fig.6: 25-hour chick embryo

    Fig.7: T.S. of head of 25-hour chick

    embryo

    Fig.8: T.S. of amnio-cardiac region of

    25-hour chick embryo

    Fig.9: T.S of mesodermal somite region

    of 25-hour chick embryo

    Fig.10: L.S. of 25-hour chick embryo

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    Fig.11: 33-hour chick embryo

    Fig.12: T.S. of optic region of 33-hour

    chick embryo

    Fig.13: T.S. of pharyngeal region of

    33-hour chick embryo

    Fig.14: T.S. of heart region of 33-hour

    chick embryo

    Fig.15: T.S. of anterior intestinal portal

    of 33-hour chick embryo

    Fig.16: T.S. of midgut region of

    33-hour chick embryo

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    Drawing of fig.11

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    Fig.17: 48-hour chick

    embryo

    Fig.18: T.S. of optic region of

    48-hour chick embryo

    Fig.19: T.S. of heart region of

    48-hour chick embryo

    Fig.20: T.S. of anterior intestinal portal of

    48-hour chick embryo

    Fig.21: T.S. of pronephric

    region of 48-hour chickembryo

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    Drawing of fig.17

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    Fig.22: 72-hour chick embryo

    Fig.23: T.S. of pharyngeal region of 72-hour chick embryo

    Fig.24: T.S. of optic region of 72-hour chick embryo

    Fig.25: T.S. of genital region of

    72-hour chick embryo

    Fig.26: T.S. of posterior intestinalportal of 72-hour chick embryo

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    Drawing of fig.22

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