'Primitive streak' presentation slideshows

SPINAL DYSRAPHISM

SPINAL DYSRAPHISM. By Dr. TEJAS MANKESHWAR. In the spine, the most common congenital lesions presenting to medical attention are the diverse forms of spinal dysraphism and the diverse forms of caudal spinal anomalies.

1.51k views • 73 slides

Stem cell biology

--2. Jan-Kan Chen College of Medicine Chang Gung University. Stem cell biology. Invariant asymmetry. ?. Populational asymmetry. ?????????????. JKC. Microenvironment mediate cell differentiation. ES-feeder interactions. Growth factor. paracrine. ES-matrix.

948 views • 64 slides

Axis Formation and Gastrulation II

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GENERAL EMBRYOLOGY

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The First Three Weeks

The First Three Weeks. Thomas A. Marino, Ph.D. Department of Anatomy and Cell Biology Temple University School of Medicine. Introduction. The lecture will focus on the early development of the embryo We will cover the first three weeks after fertilization.

1.02k views • 42 slides

THIRD WEEK OF DEVELOPMENT

THIRD WEEK OF DEVELOPMENT. Dr Samina Anjum. GASTRULATION. It is the formative process by which the three germ layers and axial orientation are established in embryo. Gastrulation is the beginning of body form (morphogenesis) Bilaminar germ disc converts into trilaminar germ disc.

2.59k views • 33 slides

Lecture 4 ESS_2nd semester

Lecture 4 ESS_2nd semester. Outline of implantation of the blastocyst . Abnormal sites of implantation (extrauterine pregnancies) D evelopment of the germ disc: O rigin of the intraembryonic mesoderm . N otogenesis - development of the chorda dorsalis Somites and their derivatives

483 views • 32 slides

Dr. Akram M. Asbeutah , PhD Department of Radiologic Sciences Faculty of Allied Health Sciences

The 1 st Week- The Beginning of Development The 2 nd Week- Formation of the Bilaminar Embryo The 3 rd week- Formation of the Trilaminar Embryo . Dr. Akram M. Asbeutah , PhD Department of Radiologic Sciences Faculty of Allied Health Sciences Kuwait University. Embryology.

520 views • 28 slides

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES. By DR.SANAA ALSHAARAWy. I NTRODUCTION. Implantation of the blastocyst is completed by the end of the 2 nd week . As this process occurs, changes occur in the embryoblast that produce a bilaminar embryonic disc.

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BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES. By DR.SANAA ALSHAARAWY & DR.ESSAM SALAMA. OBJECTIVES. At the end of the lecture, the student should be able to describe : Changes in the bilaminar germ disc (embryonic plate).

267 views • 26 slides

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES. By DRS.SANAA ALSHAARAWy &Essam Salama. BILAMINAR & TRILAMINAR DISCS. OBJECTIVES : At the end of the lecture, the student should be able to describe : Changes in the bilaminar germ disc (embryonic plate).

267 views • 26 slides

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES

BILAMINAR -TRILAMINAR DISCS & THEIR DERIVATIVES. By DR. SANAA ALSHAARAWY DR. ESSAM ELDIN SALAMA. BILAMINAR & TRILAMINAR DISCS. OBJECTIVES : At the end of the lecture, the student should be able to describe : Changes in the bilaminar germ disc (embryonic plate).

476 views • 26 slides

Lecture 3 Axis determination. Overview of gastrulation

Lecture 3 Axis determination. Overview of gastrulation Establishment of the anterior-posterior (AP) axis The primitive streak and the node Dorso-Ventral and left-right axes Specification of the germ line You should understand

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Third to Eighth Week: The Embryonic Period

Third to Eighth Week: The Embryonic Period. Jun Zhou ???? School of Medicine, Zhejiang University 20130108. Review. End of the Week of Twos. 2 major cell masses Trophoblasts Inner cell mass Trophoblasts Cytotrophoblasts Syncytiotrophoblasts Uteroplacental Cir.

1.43k views • 24 slides

Cleavage to gastrulation

Cleavage to gastrulation. M.A.Kai-Kai. Learning Objectives. Define major mechanisms of development. Describe the mammalian zygote . Understand the process of mitotic division/ cleavage of the zygote Understand process of blastulation

600 views • 21 slides

Cleavage to gastrulation

Cleavage to gastrulation. M.A.Kai -Kai. Learning Objectives. Define major mechanisms of development. Describe the mammalian zygote. Understand the process of mitotic division/cleavage of the zygote Understand process of blastulation

791 views • 20 slides

flickr/photos/mpdehaan/125860159/

http://www.cmft.nhs.uk/images/ch/zone/ch-xray.jpg. http://image.examiner.com/images/blog/wysiwyg/image/Petri_Dish.jpg. http://www.ptei.org/assets/surgery2.jpg. http://www.doctorsecrets.com/your-medicine/heart-attack-picture.gif. http://www.tqnyc.org/2006/NYC063193//Healthy%20Heart.gif.

256 views • 13 slides