GASTRULATION AND NEURULATION:01
3 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:10
16 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:14
PARTIAL 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:17
THORACO-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?