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OOGENESIS By Dr Samina Anjum Female Reproductive System PRIMORDIAL GERM CELLS Gametes are derived from PGCs. Formed in the epiblast during 2nd week and then move to ...
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Since 1950s, Xenopus laevis, the African clawed frog ... Lithium dorsalizes frog blastula and chick epiblast... BUT: frog axis generated in 1-celled zygote, ...
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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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Embryology at a glance Watch this Then this HOMEWORK What are the three germ layers and what mature features do they form? Embryology at a glance Watch this Then this ...
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Chick Blastula ... Chicks have a blastodisc which involves the blastocoel, ... off of the yolk mass. The chick, urchin and frog all have a blastocoel ...
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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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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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Stem cells Helena Fulkova Institute of Animal Science fulkova.helena@vuzv.cz
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Stem cells Helena Fulkova Institute of Animal Science fulkova.helena@vuzv.cz
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Chapter 11- Fish and mammals Zebrafish are becoming the sweetheart of developmental biologists Large broods Breed year-round Easy and cheap Transparent embryos
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... mesenchymal cell mesenchymal cell chondroblast lipoblast fibroblast osteoblast myoblast ... paraxial mesoderm Segmentation: Notch, WNT, segmentation ...
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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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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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Introduction to Embryology Carolyn Joy Rodgers MD FACOG
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delamination: splitting of one cellular sheet into 2 or more parallel sheets ... progesterone (after 1st trimester; primate experiments) ...
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Forms from rapid cell proliferation from one side of blastocyst called Posterior ... Primitive Streak: Forms on caudal end of embryonic disc ...
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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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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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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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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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Stem cells Helena Fulkova Institute of Animal Science fulkova.helena@vuzv.cz
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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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(most obvious in: sea urchins, amphibians, ascidians) ... Amphibian development: Xenopus laevis. Animal hemisphere (pigmented in some species) ...
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Title: PowerPoint Presentation Author: jk Last modified by: dr.farid Created Date: 9/20/2005 3:54:50 AM Document presentation format: On-screen Show (4:3)
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Title: 29 Author: Karl Miyajima Last modified by: CCCCD Created Date: 11/19/2002 6:42:31 AM Document presentation format: On-screen Show Other titles
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PREGNANCY & HUMAN DEVELOPMENT Mutiara Budi Azhar Faculty of Medicine Sriwijaya University Embryology Embryology is a science that studies the normal development as ...
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Capable of developing into many (pluripotent) or any (totipotent) cell types ... Digested EB genome with PvuII to run through gel ...
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FERM domain proteins and their involvement in metastasis Merlin and ERM proteins: unappreciated roles in cancer development? A McClatchey Nat Rev Cancer 3(11):877-83 ...
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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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EXCRETORY AND REPRODUCTIVE SYSTEM DEVELOPMENT Uterovaginal plate Uterovaginal plate Muller s tubercle Uterovaginal plate, vaginal plate, Muller s Tubercle - other ...
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... and commitment in otic placode induction. ... Quail otic ectoderm ... Competence to form the otic placode is found in ectoderm that does not ...
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(PRICE LOWERED)What you need for the USMLE
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Chapter 47 Animal Development
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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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Gastrulation III establishment of body axes
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... rotation: 1. A = incomplete bowel rotation 2. B= incorrect clockwise rotation Gastrointestinal Embryology Omphalocele: 1. Failure of ...
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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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A photo of a human embryo: six to eight weeks after conception. Brain formation (upper left) and heart developing (red shape in the center) Table of Content
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Title: Slide 1 Author: Yahya AL-HABBAL Last modified by: USER Created Date: 3/23/2005 12:40:04 PM Document presentation format: On-screen Show Other titles
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Chapter 4 Embryological Development of CNS Chris Rorden University of South Carolina Norman J. Arnold School of Public Health Department of Communication Sciences and ...
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the research found a stem cell cure from many diseases and its ery important for pple to save them and realy its a very interesting topic i do it for high quality
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Completion of gastrulation & organogenesis. Fetal period (9th week - birth) ... First major event in organogenesis is neurulation (formation of the neural tube) ...
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This text focuses on clinical cases with clinical facts. With concise text, the highlights of the book include flowcharts, tables, summary (examination guide), boxes, interesting facts, electron micrographs, clinical cases, special topics, MCQs and viva-voce questions.
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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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Asynchrony of early cleavage----odd number blastomeres ... Figure 11.46 Mouse and Chick Vertebral Pattern along the Anterior-Posterior Axis ...
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PASCA PANEN PADI AGH 440 Dr. Sugiyanta, MSi GAMBAR KARIOPSIS PADI KOMPOSISI BIJI PADI Sekam Kariopsis padi (beras) dibungkus oleh sekam yang merupakan modifikasi daun ...
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Epigenetic regulation during early embryogenesis reprogramming and remodelling Helena Fulkova Istitute of Animal Science, www.vuzv.cz helena.fulkova@vuzv.cz
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The early embryo forms two populations of cells. Inner ... Early sources of polarizing information--1 ... Amnion derived later, from extra-embryonic part of ICM ...
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Stem cell factor is critical in this migration, and the germ cells ... These species can produce a new generation parthenogenetically, without fertilization. ...
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Animal Development Chapter 46 & 47 ...
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Principles of Development Chapter 8
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Title: Spermatogonial stem cells (A Basic Concept) Author: Jayanti Tokas, Rubina Begum, Shalini Jain and Hariom Yadav Last modified by: Eugene Created Date
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Animal Development Chapter 46 & 47
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Digestive System and Derivatives. Derivatives include respiratory system, ... Folivorous(eats leaves) bird with foregut fermentation similar to ruminant digestion.
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Gastrulation generates the three basic germ layers from which ... tissue from a nonpigmented donor newt onto another gastrula from a heavily pigmented species. ...
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