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Neural Crest Cells and Embryonic Development Quiz

Test your knowledge on key structures and regions in embryonic development, such as the neural crest cells, pituitary gland, metencephalon, myelencephalon, and spinal cord. Identify anterior expansions, posterior regions, and the placement of various structures in the developing embryo.

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Questions and Answers

What is the function of the stomodeum in embryonic development?

Gives rise to the oral cavity

Which structure forms the optic cup in embryonic development?

Optic vesicle

Which structure is derived from the mesencephalon?

Endocardium

What is the main function of the hypophysis in embryonic development?

<p>Secretion of hormones</p> Signup and view all the answers

Which structure is responsible for lens fiber formation in the eye during embryonic development?

<p>Inner lens vesicle</p> Signup and view all the answers

In a 4mm frog embryo, which structure would be clearly recognizable?

<p>Notochord</p> Signup and view all the answers

What is the foremost part of the brain in the neural system differentiation?

<p>Prosencephalon</p> Signup and view all the answers

Where are the Olfactory Placodes located?

<p>Either side of the prosocoel in the head mesenchyme</p> Signup and view all the answers

Which structure forms the pineal body in the adult brain?

<p>Epiphysis</p> Signup and view all the answers

Which part of the brain is the Otic Placode lateral to?

<p>Prosencephalon</p> Signup and view all the answers

What is the function of the Otic Lens?

<p>A closed chamber in the level of Rhombencephalon</p> Signup and view all the answers

What is the cavity formed by the evolution of olfactory pits from olfactory placodes?

<p>Pharynx</p> Signup and view all the answers

Which part of the brain does the Optic vesicle evaginate from?

<p>Olfactory Placodes</p> Signup and view all the answers

Which part of the head ectoderm forms the lens vesicle?

<p>Lens placode</p> Signup and view all the answers

What structure projects inside due to invagination?

<p>Pronephros</p> Signup and view all the answers

What forms the Prechordal cartilage?

<p>Mesoderm and neural crest cells</p> Signup and view all the answers

Which cavity is associated with the heart in this context?

<p>Pericardial Cavity</p> Signup and view all the answers

Where are the Paired pigment invaginations located?

<p>Lateral to ventral portion of prosencephalon</p> Signup and view all the answers

What structure defines the anterior/posterior axis in the developing embryo?

<p>Notochord</p> Signup and view all the answers

Which part of the brain is most caudal in the developing embryo?

<p>Rhombencephalon</p> Signup and view all the answers

What is the cavity known as 'rhombocoel' associated with?

<p>Notochord</p> Signup and view all the answers

Which structure appears suspended within the pericardial coelom by the dorsal mesocardium?

<p>Heart</p> Signup and view all the answers

Where is the otic placode located in relation to the brain?

<p>Slightly ventral to the brain</p> Signup and view all the answers

What structure separates the heart within the pericardial coelom from the midventral region?

<p>Pericardium</p> Signup and view all the answers

What is the function of sclerotome in the developing embryo?

<p>Forms part of the axial skeleton</p> Signup and view all the answers

Where are the somites located in the developing embryo?

<p>On either side of the spinal cord</p> Signup and view all the answers

What does the epimyocardium form during heart development?

<p>Outer layer of muscle in the heart</p> Signup and view all the answers

What structure degenerates and is replaced by the mesonephric kidney in adults?

<p>Pronephros</p> Signup and view all the answers

What is the function of a dermatome in embryonic development?

<p>Forms dermal layer of the skin</p> Signup and view all the answers

Where are mesenchymal cells found in the heart during development?

<p>Making up the thick mass of mesoderm of the heart</p> Signup and view all the answers

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