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Q 1/10
Score 0
During the establishment of the early body plan in domestic mammals, which process is responsible for the transition from a bilayered embryonic disc to a trilayered embryo containing ectoderm, mesoderm, and endoderm?
30
Morulation
Neurulation
Gastrulation
Blastulation
Q 2/10
Score 0
In the developing vertebrate embryo, which structure arises from the paraxial mesoderm and is responsible for the segmental organization of the body plan, eventually giving rise to the vertebral column and skeletal muscles?
30
Neural crest cells
Somites
Lateral plate mesoderm
Notochord
10 questions
Q.
During the establishment of the early body plan in domestic mammals, which process is responsible for the transition from a bilayered embryonic disc to a trilayered embryo containing ectoderm, mesoderm, and endoderm?
1
30 sec
Q.
In the developing vertebrate embryo, which structure arises from the paraxial mesoderm and is responsible for the segmental organization of the body plan, eventually giving rise to the vertebral column and skeletal muscles?
2
30 sec
Q.
Which embryonic structure serves as the primary inducer for the overlying ectoderm to differentiate into the neural plate, thereby initiating the formation of the nervous system?
3
30 sec
Q.
Regarding the transverse and longitudinal folding of the embryo, which of the following describes the origin of the primitive gut tube?
4
30 sec
Q.
During the development of the general body plan, the intraembryonic coelom is formed by the split of which mesodermal component?
5
30 sec
Q.
In veterinary embryology, which specific population of cells is often referred to as the 'fourth germ layer' because they undergo an epithelial-to-mesenchymal transition and migrate extensively to form structures such as craniofacial cartilage, branchial arch derivatives, and melanocytes?
6
30 sec
Q.
The intermediate mesoderm is a specific region of the mesodermal germ layer that primarily gives rise to which of the following systems in the developing animal?
7
30 sec
Q.
During the early development of the body plan, the process of 'lateral folding' transforms the flat embryonic disc into a cylindrical shape. Which of the following is a direct consequence of this transverse folding?
8
30 sec
Q.
In the establishment of the cranio-caudal axis during gastrulation, which structure acts as the 'organizer' in mammals, equivalent to Spemann's organizer in amphibians, by initiating the formation of the primitive streak and determining the site of the future head?
9
30 sec
Q.
The splanchnic (visceral) layer of the lateral plate mesoderm, along with the underlying endoderm, forms the 'splanchonopleure'. This composite layer is primarily responsible for the development of which anatomical structures?
