'Gastrulation' presentation slideshows

Pregnancy & Human Development

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Animal Development

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CHAPTER 43 Animal Development

CHAPTER 43 Animal Development. Chapter 43: Animal Development. Fertilization: Interactions of Sperm and Egg Cleavage: Repackaging the Cytoplasm Gastrulation: Producing the Body Plan. Chapter 43: Animal Development. Neurulation: Initiating the Nervous System Extraembryonic Membranes

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Lecture 3

Lecture 3. Cell Biology of Drosophila Development Drosophila Genetics Screen for Zygotic Lethals Screen for Maternal Effect Mutants. Lab 3 Engrailed staining. Elyse will open the teaching lab at 9:00AM Read instructions in manual and on the board in the lab

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Class Roadmap

Class Roadmap. 1. I. Introduction to Zoology A. What is an Animal?. Animal life began in Precambrian seas with the evolution of multicellular forms that lived by eating other organisms. Early animals populated seas, fresh water, and eventually the land. B. Three things we focus on:

776 views • 48 slides

Neuronal Patterning and Regionalization

Neuronal Patterning and Regionalization. Steps during neural development:. Neurogenesis Compartmentalization Neural differentiation Neural migration Axonal guidance Synaptogenesis. Neural development in vertebrate embryo: Gastrulation.

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UKCRC's Grand Challenge Initiative

In Vivo ? In Silico A Grand Challenge for Computing Science or how does nature grow complex systems? Ronan Sleep, UEA. UKCRC's Grand Challenge Initiative. A Grand Challenge focuses on an ambitious target which captures the imagination of both scientists and the general public

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Drosophila dorsal/ventral axis detemination

Drosophila dorsal/ventral axis detemination. How are different tissue types specified at distinct positions on the embryonic dorsal-ventral axis?. Cell fate specification at the blastoderm stage. amnio-serosa. dorsal. dorsal ectoderm. neuro-ectoderm. mesoderm. ventral. fate map.

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Understanding the function of conserved non-coding regions in the human genome

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Gastrulation, Neurulation and Folding

Gastrulation, Neurulation and Folding. Dr Rania Gabr. OBJECTIVES. By the end of this lecture , the student should be able to: Define Gastrulation Describe the formation of the primitive streak Describe the formation of the intraembryonic mesoderm and the Trilaminar disc

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Drosophila dorsal/ventral axis detemination

Drosophila dorsal/ventral axis detemination. How are different tissue types specified at distinct positions on the embryonic dorsal-ventral axis?. Cell fate specification at the blastoderm stage. amnio-serosa. dorsal. dorsal ectoderm. neuro-ectoderm. mesoderm. ventral. fate map.

739 views • 31 slides

DEVELOPMENTAL GENETICS

DEVELOPMENTAL GENETICS. The spectrum of human developmental abnormalities is quietly wide. Most of the developmental abnormalities are realized at birth or in the first few months. But some of them can not be realized until adolescent or adulthood.

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Zebrafish organizer development and germ-layer formation require nodal-related signals

Zebrafish organizer development and germ-layer formation require nodal-related signals Feldman et al. Nature 1998 Presented by Maggie Bach and Aparna Vidyasagar. Outline. Introduction and Background Questions What are the mutant phenotypes? Are the sqt and znr-2 genes one and the same?

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Comparative Anatomy Early Embryology

Comparative Anatomy Early Embryology. Kardong Chapter 5 Part 7. Vertebrate Egg. Amniotic egg- amnion present Reptilian egg- possesses shell( cleidoic ). Figure 7.1. Cledoic egg. Egg Type. Microlecithal egg- small amount of yolk Mammals Mesolecithal egg- moderate amount of yolk

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KEY CONCEPT Animals are diverse but share common characteristics.

KEY CONCEPT Animals are diverse but share common characteristics. Animals are the most physically diverse kingdom of organisms. Animals range in size from 25-meter-long blue whales to microscopic rotifers. Animals are found nearly everywhere on Earth.

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Fertilization and Development

369 views • 19 slides

Ch. 47

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Fertilization and Development

334 views • 17 slides

Offspring Development

Offspring Development. Ovulation. Oocyte and corona radiata are expelled Swept into infundibulum of fallopian tube by fimbriae Fertilization may or may not occur Passes into uterus. 2 Regions: Body Cervix - opens into vagina by external os

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Gastrulation of Xenopus

Gastrulation of Xenopus. Involution Involuting Marginal Zone (IMZ) Migration Convergent Extension IMZ Neural Epiboly Animal Cap. Early. Mid. Late Mid. Mid Neurula. Xenopus Fate Map and Gastrulation Movements. Surface. Midsagittal. IMZ-Deep. IMZ-Surface. Late Blastula.

204 views • 4 slides