Forebrain Development: Diencephalon and Optic Tract
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Questions and Answers

Which part of the brain is derived from the dorsal aspect of the Alar plate?

  • Cerebellum (correct)
  • Medulla
  • Pons
  • Midbrain

Which region of the brainstem contains the Tectal Region?

  • Intermediate Peduncular Region
  • Dorsal Tegmental Region (correct)
  • Ventral Peduncular Region
  • Roof Plate

Which cranial nerve innervates the tongue and is classified as General Somatic Efferent (GSE)?

  • CN VIII - Vestibulocochlear
  • CN IV - Trochlear
  • CN XII - Hypoglossal (correct)
  • CN III - Oculomotor

Which part of the brain extends from the Roof Plate and has the Alar plate lateral to the basal plate?

<p>Midbrain (B)</p> Signup and view all the answers

Which cells in the cerebellum are responsible for coordination of movements?

<p>Vermis cells (D)</p> Signup and view all the answers

What develops into autonomic neurons in the spinal cord?

<p>Cells from the Floor Plate (C)</p> Signup and view all the answers

Which part of the brain is responsible for voluntary movement and language production?

<p>Frontal lobe (A)</p> Signup and view all the answers

What separates the gyri from each other in the telencephalon?

<p>Sulcus (C)</p> Signup and view all the answers

Which part of the brain is predominantly located in the left hemisphere?

<p>Frontal lobe (A)</p> Signup and view all the answers

What is the embryological origin of the lateral ventricles?

<p>Diencephalon (C)</p> Signup and view all the answers

Which part of the brainstem is also known as the medulla?

<p>Myelencephalon (D)</p> Signup and view all the answers

What are the functional building blocks of the nervous system called?

<p>Neurons (A)</p> Signup and view all the answers

Which part of the brain mainly forms the thalamus dorsally and the hypothalamus ventrally?

<p>Forebrain (B)</p> Signup and view all the answers

What structure is formed between the two sides of the thalamus in the diencephalon?

<p>Massa Intermedia (A)</p> Signup and view all the answers

Which part of the forebrain grows into cerebral hemispheres and develops into lateral ventricles?

<p>Telencephalon (C)</p> Signup and view all the answers

Which cells are formed in the telencephalon and develop into the internal capsule and corpus callosum?

<p>Pyramidal cells (D)</p> Signup and view all the answers

What structures are associated with the hypothalamus in the forebrain development?

<p>Optic chiasm, mamillary bodies, infundibulum (C)</p> Signup and view all the answers

During which stage do the cerebral hemispheres continue to grow anteriorly and dorsally?

<p>Month 3-4 (C)</p> Signup and view all the answers

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