GASTRULATION AND NEURULATION:013 WEEK EMBRYO: Identify the AMNION, PRIMITIVE STREAK, PRIMITIVE GROOVE, PRIMITIVE

PIT, NEURAL PLATE, NEURAL GROOVE. Which is the cephalic end of the embryo?

GASTRULATION AND NEURULATION:02 23 DAY EMBRYO (DORSAL VIEW): Locate the cephalic and caudal ends of the embryo. Identify

the CUT EDGE OF AMNION, NEURAL TUBE and SOMITES.

GASTRULATION AND NEURULATION:03 24 DAY EMBRYO (LATERAL VIEW): Locate the cephalic and caudal ends of the embryo. Identify

theCUT EDGE OF AMNION, NEURAL TUBE AND SOMITES.

GASTRULATION AND NEURULATION:04 25 DAY EMBRYO (WHOLE MOUNT): Identify the cephalic and caudal ends of the embryo. Identify

theYOLK SAC, BLOOD ISLANDS AND CARDIAC REGION.

GASTRULATION AND NEURULATION:05

23 DAY EMBRYO (ANTERIOR VIEW): Identify the ANTERIOR NEUROPORE, CARDIAC BULGE AND OROPHARYNGEAL MEMBRANE.

GASTRULATION AND NEURULATION:06

26 DAY EMBRYO (CROSS SECTION): In this slide identify the NEURAL TUBE, PAIRED DORSAL AORTAE, FOREGUT, SOMITE MESODERM, INTERMEDIATE MESODERM, LATERAL

MESODERM AND NOTOCHORD.

GASTRULATION AND NEURULATION:07 5 WEEK ANENCEPHALIC EMBRYO: Discuss the possible causes and development of the

ANENCEPHALIC EMBRYO.

GASTRULATION AND NEURULATION:08 38 DAY FETUS WITH ENCEPHALOCELE. How does this condition arise?

GASTRULATION AND NEURULATION:09 5 MONTH ANENCEPHALIC FETUS: Recognize the diagnostic features of anencephaly

in this ultrasound.

GASTRULATION AND NEURULATION:1016 WEEK FETUS WITH ENCEPHALOCELE.

GASTRULATION AND NEURULATION:11 NEWBORN WITH HEMICRANIA WITH HIGH MYELOCELE: What structures are

involved in this defect?

GASTRULATION AND NEURULATION:12 NEWBORN ANENCEPHALIC: What structures are missing in this infant

GASTRULATION AND NEURULATION:13 PARTIAL ANTERIOR HEMICRANIA: Differentiate between anencephaly and hemicrania.

GASTRULATION AND NEURULATION:14PARTIAL ANTERIOR HEMICRANIA (INTERNAL): What do you notice about the internal anatomy of this infant?

Discuss some of the ethical implications associated with this type of developmental defect?

GASTRULATION AND NEURULATION:15 THORACO-LUMBAR MENINGOMYELOCELE: Describe the characteristic features of

the congenital defect. What are the long term consequences?

GASTRULATION AND NEURULATION:16 THORACO-LUMBAR MENINGOMYELOCELE (CLOSE UP VIEW): What is

covering the lesion?

GASTRULATION AND NEURULATION:17THORACO-LUMBAR MYELOCELE: What is the difference between this defect and a

meningomyelocele? What are the long term consequences?

GASTRULATION AND NEURULATION:18 SPINA BIFIDA OCCULTA: Describe the development and long term effects of this defect.

GASTRULATION AND NEURULATION:19 SACROCOCCYGEAL TERATOMA. What embryonic structure gave rise to this tumor? What types

of tissue would you expect to find in this neoplasm?