Embryology Flashcards
Bilaminar germ Disc formation when
Week 2
Trilaminar Germ Disc formation when
Week 3
Ectoderm forms
Skin, Nose, eye, Ear, Adrenal Medulla
Endoderm forms
Resp System, GIT, Glands, Liver, Pancreas, Thyroid, Bladder
Mesoderm forms
Muscles, Bones, Cartilage, Vascular System, Urogenital System except Bladder, Spleen, Adrenal Cortex
During what weeks is gut tube formed
3rd and 4th week
Lateral Plate mesoderm gives rise to
Parietal and Visceral Mesoderm
Gut tube is closed at cranial end by
Oropharyngeal Membrane
Gut tube is closed at caudal end by
Cloacal Membrane
Oesophagus develops from cranial part of
Gut tube
Lung bud develops from
ventral wall of foregut
Foregut caudal to oesophagus dilates to form
Stomach with 90 degrees clockwise rotation around longitudinal axis
Stomach is attaches to dorsal and ventral wall by mesentery called
Mesogastrium
Duodenum is formed from caudal part of what and cranial part of what
Foregut
Midgut
Which part of duodenum is not retroperitoneal
Duodenal Cap