'Extraembryonic mesoderm' presentation slideshows

Development of embryo & fetus

607 views • 57 slides

Bilaminar & Trilaminar Embryonic Disc

Bilaminar & Trilaminar Embryonic Disc. Dr. Zeenat Zaidi. Bilaminar Embryonic Disc. The Second Week. Formation of Amniotic Cavity. As implantation of the blastocyst progresses, changes appear in the inner cell mass (embryoblast)

1.49k views • 33 slides

Derivatives of Germ layers

Derivatives of Germ layers. Dr Rania Gabr. Objectives. By the end of this lecture ,the student should be able to: Explain the results of folding List the derivatives of ectoderm List the derivatives of endoderm List the derivatives of mesoderm. Results of folding.

634 views • 33 slides

MESODERMAL DERIVATIVES

MESODERMAL DERIVATIVES. By: Dr. Mujahid Khan. Derivatives. Connective tissue Cartilage Bone Striated & smooth muscles Heart Blood & lymphatic vessels Kidneys, ovaries, testes & genital ducts Serous membrane lining the body cavities Spleen & cortex of the supra renal gland.

342 views • 33 slides

Bilaminar & Trilaminar Embryonic Disc

Bilaminar & Trilaminar Embryonic Disc. Dr. Zeenat Zaidi. Bilaminar Embryonic Disc. The Second Week. Formation of Amniotic Cavity. As implantation of the blastocyst progresses, changes appear in the inner cell mass (embryoblast)

355 views • 33 slides

Implantation, placenta formation, fetal membranes

Implantation, placenta formation, fetal membranes. Dr Nandor Nagy. By the 5th to 6th day of development, the embryo is a hollow ball of about 100 cells called a blastocyst. At this point, it enters the uterine cavity and begins to implant into the endometrial lining of the uterine wall.

369 views • 29 slides

The extraembryonic mesoderm lining the inside of the cytotrophoblast is then known as

The extraembryonic mesoderm lining the inside of the cytotrophoblast is then known as THE CHORIONIC PLATE The only place where extraembryonic mesoderm traverses the chorionic cavity is in THE CONNECTING STALK With development of blood vessels, the stalk becomes THE UMBILICAL CORD.

706 views • 22 slides

The second week

The second week. Day 8. At the eighth day of development, the blastocyst is partially embedded in the endometrial stroma . In the area over the embryoblast , the trophoblast has differentiated into two layers: ( a) an inner layer of mononucleated cells, the cytotrophoblast ,

412 views • 15 slides