'Ectoderm' diaporamas de présentation

The Reproductive System

The Reproductive System. Uterine (Menstrual) Cycle. Cyclic changes of the endometrium Regulated by cyclic production of estrogens and progesterone FSH and LH regulate the production of estrogens and progesterone Both female cycles are about 28 days in length

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Development

Development. Introduction Early Stages of Development Quiz part 1 Suites of Developmental Characters Quiz part 2. In this tutorial, you will learn:. The basics of early development from fertilization through gastrulation. Major differences in early development between taxonomic groups.

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ANDROLOGY (A) FUNCTIONAL ANATOMY OF Male REPRODUCTIVE GENITALIA

ANDROLOGY (A) FUNCTIONAL ANATOMY OF Male REPRODUCTIVE GENITALIA. By Prof. Dr. A. Mamdouh OSMAN Department of Theriogenology Faculty of Veterinary Medicine, Assiut University. INTRODUCTION. Andrology means the study of reproductive diseases in any species

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The Brave New World of Cloning and Stem Cells

The Brave New World of Cloning and Stem Cells. Daniel P. Sulmasy, OFM, MD, PhD Department of Medicine & Divinity School The University of Chicago. Back to High School: Developmental Biology. Zygote. Morula 3d. Blastocyst 5 d. Implantation 6-7 d. 14 d Embryo. 21 d Embryo.

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Reproductive

Reproductive. Anatomy and Physiology. Presented by Ann Hearn. Menstrual Cycle. Varies every 28 - 35 days The time between ovulation and menstruation is relatively constant (14 days). Follicular phase.

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Acoelomate Bilateral Animals

Acoelomate Bilateral Animals. Acoelomate Bilateral Animals. Consist of phyla: Phylum Platyhelminthes Phylum Nemertea And others. Reproductive and osmoregulatory systems. Acoelomate Bilateral Animals. Simplest organisms to have bilateral symmetry Triploblastic Lack a coelom

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Fetal Development

Fetal Development . Developed b y D. Ann Currie. Oogenesis. Ovary gives rise to oogonial cells. Cells develop into oocytes. Meiosis begins and stops before birth. Cell division resumes at puberty. Development of Graafian follicle . Ovum. The female gamete are called Ovum.

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Chordates

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Lab Activity 35

Lab Activity 35. Embryology. Portland Community College BI 233. Spermatogenesis. Oogenesis. Fertilization. An egg must be fertilized within 12 to 24 hours of ovulation It takes about 72 hours for an egg to reach the uterus. The sperm must encounter the egg somewhere in the uterine tube.

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Chapter 33

Chapter 33. Animal Tissues and Organ Systems. AP Biology Spring 2011. Chapter 33.4. Nervous Tissue. Nervous Tissue. Nervous Tissue: composed of neurons and a variety of cells (called neuroglia), that structurally and functionally support them . Nervous Tissue.

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Gastrulation

Gastrulation. Gastrulation - The point in embryogenesis where the basic organization of the organism is established. A. Establishment of the three basic germ layers Ectoderm, Mesoderm, Endoderm

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Animal and Bio-Materials Resources The problem with resources Limitations of current informatics support Examples of sol

Linking Translational Research to Animal and Bio-Materials Resources. Animal and Bio-Materials Resources The problem with resources Limitations of current informatics support Examples of solutions Ontologies to describe resources Using ontologies to link resources with human disease.

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Gastrulation and Neurulation

Gastrulation and Neurulation. ???. http://web.nchu.edu.tw/pweb/users/chenjr/. GASTRULATION ???? -Gastrulation : embryonic disc from bilaminar develops into trilamina -the embryo is so called gastrula . Ectoderm : epidermis, nervous system

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Pediatric Optometry

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Basic Embryology

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Development of the Vertebrate Body Plan

Development of the Vertebrate Body Plan. Temple University School of Medicine. Thomas A. Marino, Ph.D. Department of Anatomy and Cell Biology. DEVELOPMENT OF THE VERTEBRATE BODY PLAN. Early Development 1. Development of Ectoderm A. Neural Tube B. Surface Ectoderm

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Embryology

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Embryology

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Chapter 4 Prenatal Development and Birth

Chapter 4 Prenatal Development and Birth. Chapter 4- Prenatal Development. Time of fastest development in life span Environment extremely important Conception Ova (eggs) travels from ovary to uterus Penetration by 1 of 300-500 sperm Outcome: single-celled ZYGOTE (fertilized egg).

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Which numbers represent chordates and which numbers represent invertebrates?

1. 2. 3. Which numbers represent chordates and which numbers represent invertebrates?. 4. 5. 6. 7. 25.2 Animal Body Plans and Evolution. Features of Body Plans. Each animal phylum has a unique organization of particular body structures that is often referred to as a body plan.

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