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occurs extremely rapidly-- G1 and G2 of the cell cycle are ignored ... on a mass of yolk (ie. like a bird or reptile) even if there isn't any ...
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Non-polar Blastomeres. Microvilli. Updated:10/4/09. Polarization (cont.) Tight Junctions ... 1 non-polar. 2 non-polar. Updated:10/4/09. Compaction. Occurs at ...
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Gastrulation: the ultimate cell migration problem. Keller neurulation movie ... White arrows indicate blastomeres with perinuclear localization of Cdx2. ...
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Asynchrony of early cleavage----odd number blastomeres ... Figure 11.46 Mouse and Chick Vertebral Pattern along the Anterior-Posterior Axis ...
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... inductive interactions between blastomeres Hans Spemann and Hilde Mangold Organizer experiment Transplantation of cells from one (pigmented) ...
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Spermatozoan structure. Nucleus. Head. Midpiece. Tail. Fertilization. Zona pellucida. Fertilization 2 ... Cortical reaction. Zona pellucida. Morula. blastomeres ...
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Different cells from the same individual show the same sets of chromosomes. ... Newt blastomeres develop normally after delayed nucleation. ...
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L selectins on trophoblast cells and its CHO receptors on uterine epithelium mediate initial attachment of the Blastocyst to the uterus.
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Cleavage is the first phase of embryonic development
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Neurulation Slide 25 Neurulation The Neural Crest Organogenesis Slide 29 Organogenesis Begins With Development of the Nervous System 7. ...
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Animal Growth and Development What is the Different between Growth and Development?? Animal Development Introduction to animal development How many step happen in ...
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... Cord Embryo Development Fetal Development Figure 29.24 Parturition Development Fertilization Embryo Development Cleavage Blastula Human ... formation of a ...
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Title: Developmental Biology, 9e Author: Gary M. Lange Last modified by: Administrator Created Date: 10/16/2000 7:08:56 PM Document presentation format
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Expanded blastocyst : Expanded with zona thinning ... from ruptured zona. Chronology of embryo development. 7.5 to 8. 9. Hatched blastocyst ...
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ice crystal formation within embryo is lethal. if remove too ... forceps dipped in LN2, and touch straw. at -5oC cause media to become solid before freezing pt. ...
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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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... blood vessels, and kidneys Fetal Membranes ... developing umbilical cord and developing bladder of fetus Placenta Formation Functions to exchange waste ...
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Formation of Mesoderm and Coelom ... Cavity enclosed in mesoderm = coelom. Coelom: body cavity completely enclosed by mesoderm & not opening to outside. ...
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Recognize the germ cell layers from which different tissues ... tissue growth, folding. programmed cell death sculpts body parts. Organogenesis. Morphogenesis ...
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DROSOPHILA DEVELOPMENT Embryonic development: Fertilization ... Blastoderm fate map: Transcription from the nuclei (which begins around the eleventh cycle) ...
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Human Embryology segmentation and patterning somites Synpolydactyly can be caused by alanine repeat expansions in HoxD13 congenital abnormalities are often caused by ...
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Introduction to Embryology Carolyn Joy Rodgers MD FACOG
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Species Time of Ovulation Optimal Insemination Time. Cow 29 hr after start End of estrus (12 hr ... Parthenogenesis. Activation of the oocyte without a sperm ...
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8/24/09. 1. Animal Development. JP Slovak. 8/24/09. 2. Introduction. Preformation. epigenesis. 8/24/09. 3. Fertilization. Acrosomal reaction. Fast block to polyspermy ...
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conception,nidation and placental develop0ment placental function 1. lung function-gaseous exchange 2.kidney fuction-excretion of hydrogen ions and breakdown products ...
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Recall that Bilateralia includes two great groups of organisms Protostomia and ... Beginning of organogenesis. Significant segmentation ...
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FERTILIZATION By: Dr. Mujahid Khan Fertilization Is a complex sequence of coordinated molecular events Begins with a contact between sperm and ovum Ends up with ...
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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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Males and females of a species that reproduces sexually have different forms of ... amoeboid movement toward the hind gut epithelium and then through dorsal ...
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Title: Developmental Biology 8/e Last modified by: KOSLAB Created Date: 1/28/2003 8:12:42 PM Document presentation format: On-screen Show Company
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Cleavage - mitotic divisions without increase in cell mass (1 to 12 days) ... Inner Cell Mass - differentiates to Ectoderm, Mesoderm and the Embryonic Disc ...
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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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Fertilization and cleavage, ... (phase) of development similar goals ... in the human pre-embryonic phase involves the first 3 weeks from ...
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An early form of prenatal diagnosis. For couples at high risk PGD ... Pre-clinical tests on single cells (lymphocytes, fibroblasts, amniocytes, ...
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EMBRYOLOGY: OLD & NEW FRONTIERS BY Dr Samina Anjum Embryology means study of embryos, however the term generally refers to prenatal development of embryos and fetuses.
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FERTILIZATION & IMPLANTATION By : Dr.Saaed & Dr.Sanaa OBJECTIVES At the end of the lecture, the students should be able to : Identify fertilization and its site.
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Occurs at the 8 cell stage. Is the change in shape of the embryo ... EB (early blastocyst): nearly all contact sites - ZO-1 and ...
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Ectoderm = 'outside skin' Mesoderm = 'middle skin' Endoderm = 'inside skin' ... Ectoderm. How Nervous system gets inside. Dorsal surface of embryo forms Neural plate ...
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Laboratory of Human Genetics and Reproductive Biology ... Detection of Chromosome 21 Trisomies (Down Syndrome) Normal Chr. 21. Triploid Chr. 21 ...
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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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Development and Inheritance Embryo The first two months following fertilization Fetus From week nine until birth Pregnancy Lasts about 40 weeks from the first day of ...
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Topic 11: Human Health and Physiology 11.4 Reproduction 11.4.1 Annotate a light micrograph of testis tissue to show the location and function of interstitial cells ...
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Amphibians and Fish: Early Development and Axis Formation BIOL 370 Developmental Biology Chapter 7 (Chapter 8 in the textbook) Lange DevBio9e-Fig-07-02-0.jpg ...
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Norman J. Arnold School of Public Health. Department of Communication ... Anencephalic. 28. Anencephalic Newborn. 29. Spinal Bifida. Spinal Bifida Cystica ...
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Vascular stem cells and progenitors Lipnik Karoline Department of Vascular Biology and Thrombosis Research Medical University of Vienna Lazarettgasse 19
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Assisted Reproductive Technology (ART) Prepared by Dr. Abdelsalam Talafha Collage of veterinary medicine, JUST American Board Certified, Comparative Veterinary ...
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EMBRYOLOGY It deals with the origin & development of single individual. ... DERIVATIVES OF ECTODERM The nervous system (CNS & PNS). Sensory epithelium of eye, ear & nose.
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Animal Diversity (32) Animal Development (47)
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Blastomere pair containing yellow crescent can form muscle when cultured in isolation -Muscle markers come on at appropriate time relative to control embryos ...
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... fusion of the acrosome with plasma membrane, extension of the acrosomal process ... Maternal effect genes germ plasm in zygote. Twins and embryonic stem cells ...
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Organogenesis 3. Organogenesis Morphogenetic changes folds, splits and clusterings (condensation) begin the process of organ building In chordates, ...
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Animal Development Chapter 46 & 47 ...
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Title: Lecture5 GenMed_2nd semester Subject: Embryology III Author: Prof. Svatopluk ech Last modified by: Your User Name Created Date: 3/25/2006 8:52:42 AM
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Assisted Reproductive Technology (ART) Prepared by Dr. Abdelsalam Talafha Collage of veterinary medicine, JUST American Board Certified, Comparative Veterinary ...
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