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Extraembryonic Membranes of a Chick Embryo
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Allantois. Chorion. Yolk Sack. Extraembryonic Ceolom. Chorion. Amnion ... Allantois. Blood vessels. Fuses with chorion. Allantochorion or chorioallantois ...
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Some have young born alive (viviparous) with extraembryonic ... Cotton Mouth. Broad dark stripe present behind eye. Black crossbands on lighter. background. ...
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Some have young born alive (viviparous) with extraembryonic membranes ... various ruderal situations such as berms along canals and old-field successional ...
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Only one sperm is allowed to penetrate the oocyte. Two mechanisms ensure monospermy ... Extraembryonic Membranes. Chorion. Yolk sac. Allantois. Amnion ...
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What are the 4 extraembryonic membranes? ... Yolk sac contains many blood vessels and where blood cells first form (little yolk in humans) ...
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Blastocyst (or Blastula) & Bilaminar Embryonic Disc ... DNA Injection. Nuclear Transfer. Microinjection. In vivo Fertilization (IVF. ...
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Title: Slide 1 Author: Dr. Ahmad Last modified by: Ahmed Created Date: 12/20/2005 8:24:00 AM Document presentation format: On-screen Show Other titles
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Organogenesis Part 2 V. Lateral Plate Mesoderm VI. Endoderm VII. Development of the Tetrapod Limb VIII. Sex Determination DevBio9e-Fig-12-10-0.jpg DevBio9e-Fig-12-13 ...
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Egg Membranes and Structure. ... (mammals) = layer of follicle cells that become sloughed off after fertilization. ... Contains nucleus ...
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Chick Development (representative of reptile/bird/mammal) Macrolecithal egg (most mammals are ... Cross Sections - 33 hr Chick. Movie. Mammal Development ...
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Title: PowerPoint Presentation Last modified by: dy Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles
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Biology II: Form and Function The six stages of vertebrate development Fertilization Cleavage Gastrulation Neurulation Neural crest formation Organogenesis Stage of ...
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Gastrulation rearranges the blastula to form a three-layered embryo with a primitive gut Gastrulation rearranges the embryo into a triploblastic gastrula.
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Chapter 47 Animal Development Cell division-mitotic divisions - cleavage Differentiation-development of specialized cells that are organized into tissues and organs.
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Oviparity- eggs are shed into the environment. Viviparity- eggs are retained internally ... Allantois: evagination from cloaca; forms part of mammalian bladder. ...
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Title: X chromosome inactivation- Review- Ranning an Jaenisch, RNA and the epigenetic regulation of X chromosome inactivation. Cell 93:305, 1998
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Human- 46 chromosomes Chimpanzee- 48 chromosomes Chimpanzees have 2 smaller chromosome pairs we don t have Humans have 1 larger chromosome pair (#2 ...
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General Embryology ---a science which study the processes and regulations of development of human ... definition: the process by which the male and female ...
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Comparative Anatomy Early Embryo Author: Jennifer Leslie Knod Last modified by: strauth Created Date: 11/14/2005 4:51:39 AM Document presentation format:
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Amphibian Embryogenesis Figure 7.3. Frog development; stages of embryogenesis ... Dorsal mesoderm (somite) splits to form coelom cavity Somatic mesoderm ...
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Chapter 47 Animal Development Embryonic development/fertilization Preformation~ until 18th century; miniature infant in sperm or egg At fertilization/conception ...
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Placentation and Maternal Recognition of Pregnancy Animal Science 434 John J. Parrish
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Lecture 19 Placentation and Maternal Recognition of Pregnancy Animal Science 434 John J. Parrish Blastulation Hatching Bovine 9 - 11 days Equine, Ovine 7 - 8 days ...
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Silence of the Genes
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Chapter 47 Animal Development * Figure 47.UN04 Summary figure, Concept 47.2 * Figure 47.UN05 Test Your Understanding, question 8 * Figure 47.UN06 Appendix A: answer ...
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Folding of the Embryo Formation of Gut Endodermal Derivatives By: Dr. Mujahid Khan Folding Of Embryo Flat trilaminar disc folds into a somewhat cylindrical embryo ...
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Mesodermal derivatives As the notochord & neural tube form, the intraembryonic mesoderm on each side of them proliferates to form a thick, longitudinal column of ...
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... (ICM) flattens into disc Gastrulation & development forms embryo and membranes (besides chorion) PRIMATIVE STREAK Gastrulation (folding inward) ...
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EXCRETORY AND REPRODUCTIVE SYSTEM DEVELOPMENT Uterovaginal plate Uterovaginal plate Muller s tubercle Uterovaginal plate, vaginal plate, Muller s Tubercle - other ...
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Noggin. Chordin. Follistatin. WNT-4a. FGF. Forebrain. Midbrain. Hindbrain. Spinal cord. Ectoderm ... epidermis, hir, nails, cutaneous and mammary glands, ...
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Figure 46.6 Reproductive anatomy of a parasitic flatworm ... Figure 46.12 Structure of a human sperm cell ... Figure 46.13a Oogenesis. Figure 46.13b Oogenesis ...
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Embryoid Bodies From Embryonic Stem Cells In-vitro Robert Christensen Biology Department Eastern Connecticut State University Endoderm Specific Gene Expression in ...
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Introduction to Embryology Carolyn Joy Rodgers MD FACOG
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Hyaluronidase from sperm acrosome. Changes the makeup of zona pellucida. Zona reaction occurs lysosomal enzymes released by cortical granules near ...
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... (keratin), ectothermic, three chambered heart (i.e. turtles, lizards, and alligators) Major Divisions Birds (subdivision of reptiles): amniotic eggs, scales ...
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Nuclei fusion Syngamy - fusion of sperm nucleus with egg nucleus to form ... Certain groups of cells invaginate and involute from the surface of the blastula ...
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Chapter 47 Animal Development
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Gastrula~ 2 layered, cup-shaped embryonic stage. 3 Embryonic germ layers: ... Invagination~ gastrula buckling process to create the... Archenteron~ primitive gut ...
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Vertebrate Development Chapter 51 Material to be covered (for Tri-C) Describe the events of each of the three stages of fertilization in an advanced vertebrate.
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Early Development Gametes Sperm Egg Lecithal = Yolk Microlecithal egg Small amount of yolk Amphioxus Eutherians Mesolecithal egg Medium amount of yolk Amphibians ...
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Biology II Lab Practical Review Part II Last updated 11-29-07 Orders of Placental Mammals Sirenia Rodentia Proboscidea Perissodactyla Perissodactyla Lagomorpha ...
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... initiation of cleavage ... Cleavage of the zygote the phase of development characterized by mitotic ... embryonic disc Development of the trilaminar ...
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Vegetal Pole yolk region. Animal Pole relatively yolk ... Biceps muscle. Notochord. Brain. Kidney. Spinal cord. Skin. Gastrulation in Macrolecithal eggs ...
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Develops from midline located just above the notochord ... Development of C. elegans, a Nematode. Homeotic Genes. Homeotic Genes control pattern formation ...
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Medical University Department of Histology, cytology and embryology Gastrulation is finished with the formation of axial organs neural tube, notochord, somites ...
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Vertebrates Phylum Chordata 4 basic characteristics: Notochord supporting rod dorsally located, below the nerve cord, replaced by vertebral column in most ...
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Title: Slide 1 Author: aisin Last modified by: aisin Created Date: 11/25/2005 2:31:44 PM Document presentation format: On-screen Show Other titles
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Dr. Abdullah Aldahmash Stem Cell Definition A cell which has the ability to continuously divide and differentiate into various other kinds of cells/tissues ...
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Principles of Development Chapter 8
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... derived from lateral body wall receives sensory fibers from lower intercostal nerves ANOMALIES OF DIAPHRAGM CONGENITAL DIAPHRAGMATIC HERNIA EVENTRATION OF ...
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Stem cells Helena Fulkova Institute of Animal Science fulkova.helena@vuzv.cz
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Renal tubule reabsorption up 50%, filtration rate up 50% Weight Gain and Pregnancy: ... Meconium-fetal stool- fills the lower digestive tract .
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Chapter 22: Development and Aging Early Developmental Stages Fertilization occurs when the sperm and egg interact to produce a zygote. During fertilization, the ...
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