Development of NS
24 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary consequence of the failure of closure of the anterior neuropore?

  • Spina Bifida
  • Anencephaly
  • Microcephaly
  • Exencephaly (correct)

What major structure is formed from the neural canal during development?

  • Epidermis of skin
  • Pituitary gland
  • Central Nervous System (correct)
  • Facial bones

Which condition is characterized by a small brain housed in a small cranium?

  • Microcephaly (correct)
  • Anencephaly
  • Exencephaly
  • Spina Bifida

Which part of the neural tube is affected in spina bifida?

<p>Caudal part of vertebrae (D)</p> Signup and view all the answers

Which of the following is NOT a derivative of neural crest cells?

<p>Epidermis of skin (B)</p> Signup and view all the answers

What are the three primary brain vesicles formed during early brain development?

<p>Prosencephalon, Mesencephalon, Rhombencephalon (C)</p> Signup and view all the answers

Which secondary brain vesicle is responsible for forming structures like the thalamus and hypothalamus?

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

What type of cells are responsible for producing the myelin sheath in the peripheral nervous system?

<p>Neural crest cells (C)</p> Signup and view all the answers

What is the first structure formed that eventually becomes the neural tube during the process of neurulation?

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

What major defect is characterized by the failure of the neural tube to close at the cranial end?

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

Which layer of the trilaminar embryonic disc primarily gives rise to the Central Nervous System (CNS)?

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

During the development of the neural canal into the ventricular system, which structure is formed from the neural tube?

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

Which of the following is a derivative of the neural crest during development?

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

What mechanism initiates the formation of the neural plate from overlying ectoderm?

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

What early developmental structure gives rise to both neurons and glial cells?

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

Which condition is defined by excessive accumulation of cerebrospinal fluid in the brain ventricles?

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

What is the main role of glialblast cells after the production of neuroblasts ceases?

<p>They migrate to mantle and marginal layers. (C)</p> Signup and view all the answers

Which type of cells originate from neuroepithelial cells and are responsible for myelination in the central nervous system (CNS)?

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

What is a distinctive feature of Schwann cells compared to oligodendrocytes?

<p>They originate from neural crest cells. (A)</p> Signup and view all the answers

Which developmental abnormality is characterized by the failure of the cranial end of the neural tube to close?

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

What structure in the developing spinal cord separates the alar and basal plates?

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

Which statement accurately describes the differentiation process of neuroepithelial cells?

<p>They can differentiate into ependymal cells. (A)</p> Signup and view all the answers

What structure is described as the direct continuation of the spinal cord and may have a similar organization?

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

Which type of cells are primarily involved in the immune response within the central nervous system?

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

Flashcards are hidden until you start studying

More Like This

Neural Tube Formation Process
5 questions

Neural Tube Formation Process

AffordableDemantoid2250 avatar
AffordableDemantoid2250
Neural Tube Formation
12 questions

Neural Tube Formation

AffordableDemantoid2250 avatar
AffordableDemantoid2250
Neurulation and Neural Tube Quiz
24 questions
Use Quizgecko on...
Browser
Browser