Podcast
Questions and Answers
What is the fate of the cells that move downward and to the sides in the primitive node when cut cross-sectionally?
What is the fate of the cells that move downward and to the sides in the primitive node when cut cross-sectionally?
- Form a yolk sac
- Fill the blastocoel cavity
- Become ectoderm
- Displace hypoblast to form endoderm (correct)
In the formation of the notochord, what cells become intercalated with endodermal cells initially?
In the formation of the notochord, what cells become intercalated with endodermal cells initially?
- Ectoderm cells
- Primitive node cells
- Prenotochordal cells (correct)
- Paraxial mesoderm cells
What is the origin of the notochordal plate that gets intercalated with endodermal cells?
What is the origin of the notochordal plate that gets intercalated with endodermal cells?
- Endoderm
- Intermediate mesoderm
- Ectoderm
- Mesoderm (correct)
Which embryonic germ layer do the ingressing cells become in the process described?
Which embryonic germ layer do the ingressing cells become in the process described?
What are the three embryonic germ layers formed as a result of the migration and displacement processes?
What are the three embryonic germ layers formed as a result of the migration and displacement processes?
What determines the cranial to caudal sequence of formation of the definitive notochord?
What determines the cranial to caudal sequence of formation of the definitive notochord?
Which tissue will eventually differentiate to form the epicardium and myocardium of the heart?
Which tissue will eventually differentiate to form the epicardium and myocardium of the heart?
What will the mesenchymal cells derived from the splanchnic mesoderm give rise to in blood vessels?
What will the mesenchymal cells derived from the splanchnic mesoderm give rise to in blood vessels?
Which structure will arise from the intermediate mesoderm and be part of the urogenital units?
Which structure will arise from the intermediate mesoderm and be part of the urogenital units?
What will differentiate to form the visceral peritoneum of the peritoneal cavity?
What will differentiate to form the visceral peritoneum of the peritoneal cavity?
Which cells will give rise to the collecting tubules of the kidney?
Which cells will give rise to the collecting tubules of the kidney?
Which mesodermal structure gives rise to the muscles of the trunk and limbs?
Which mesodermal structure gives rise to the muscles of the trunk and limbs?
In the intermediate mesoderm, what structures will persist if the embryo is female?
In the intermediate mesoderm, what structures will persist if the embryo is female?
Which mesodermal component participates in the formation of the vertebrae or the axial skeleton?
Which mesodermal component participates in the formation of the vertebrae or the axial skeleton?
Which system arises mainly from ectoderm according to the provided text?
Which system arises mainly from ectoderm according to the provided text?
Endocrine glands like the pituitary gland primarily arise from which germ layer?
Endocrine glands like the pituitary gland primarily arise from which germ layer?
'Mesonephric ducts will form the ductus epididymis and ductus deferens' is a statement related to which sex's embryo according to the text?
'Mesonephric ducts will form the ductus epididymis and ductus deferens' is a statement related to which sex's embryo according to the text?
What is the primary function of the chorionic folds in swine?
What is the primary function of the chorionic folds in swine?
In which species does the chorion develop into primary, secondary, and tertiary villi?
In which species does the chorion develop into primary, secondary, and tertiary villi?
What happens in the labyrinthine architecture of rodents?
What happens in the labyrinthine architecture of rodents?
What role does the uterine epithelium play in the placental complex formation?
What role does the uterine epithelium play in the placental complex formation?
Which layer is involved in the initial formation of the placenta complex?
Which layer is involved in the initial formation of the placenta complex?
What characterizes the chorionic epithelium's interaction with maternal tissues?
What characterizes the chorionic epithelium's interaction with maternal tissues?
Which extraembryonic membrane is responsible for temporarily and permanently providing care and maintenance of the embryo?
Which extraembryonic membrane is responsible for temporarily and permanently providing care and maintenance of the embryo?
What is the origin of the extraembryonic mesoderm in the chorion?
What is the origin of the extraembryonic mesoderm in the chorion?
Which outgrowth is an extension of the hindgut and is lined with endoderm fused with extraembryonic mesoderm?
Which outgrowth is an extension of the hindgut and is lined with endoderm fused with extraembryonic mesoderm?
During embryonic development, which cells spread outward from the region of the embryo to become the extraembryonic mesoderm?
During embryonic development, which cells spread outward from the region of the embryo to become the extraembryonic mesoderm?
What embryonic structure forms a hood above the developing embryo?
What embryonic structure forms a hood above the developing embryo?
Which layer forms the outermost part of the chorion?
Which layer forms the outermost part of the chorion?
What is the function of the yolk sac during embryonic development?
What is the function of the yolk sac during embryonic development?
