|
|
|
|
|
B4: Aortic sac with emerging 4th arch artery. Tangential section through optic stalk. Division of first arch into mandibular and maxillary processes. Pharynx. Note increasingly thick ectoderm of pharyngeal arches.
DEVELOPMENT OF RESPIRATORY SYSTEM & GIT1
B4: Caudal pharynx compressed dorsoventrally.
DEVELOPMENT OF THE NERVOUS SYSTEM
B1-7: Forebrain.
Development of the Visual System
B4: Junction of optic stalk to wall of prosencephalon (diencephalon). Note small branches of hyaloid blood vessels in region between lens pit and optic stalk.
