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</p> Signup and view all the answers

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

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

    What develops into autonomic neurons in the spinal cord?

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

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

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

    What separates the gyri from each other in the telencephalon?

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

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

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

    What is the embryological origin of the lateral ventricles?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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