Nervous Tissue Embryology Quiz

What is the term for the failure of the anterior neural tube region to close?

• Cavitation

• Anencephaly

• Neural crest

• Neural folds

What is the process by which neural plate develops into a neural tube?

• Neuroblast

• Neurulation

• Neuraxis

• Neuroepithelium

Which structure is composed of cells originally located in the dorsal most portion of the neural folds and closing neural tube?

• Neuropore

• Neural crest

• Neural groove

• Neural plate

What is the term for the open portions of the neural tube?

• Neuraxis

• Neuroepithelium

• Neuropore

• Neuroblast

Which factor induces specific transcription factors and is made by notochord and floor plate?

• Sonic hedgehog (Shh)

• Transcription factors

• Hyaluronic acid

• BMP-4

From which main brain region do the Epithalamus and Thalamus develop?

• Diencephalon

• Mesencephalon

• Telencephalon

• Rhombencephalon

What is the term for the defective closure of the spinal column?

• Rachischisis

• Spina bifida

• Anencephaly

• Epilepsy

Which cells serve a phagocytic function after damage to the brain and are derived from primitive myeloid precursors?

• Schwann cells

• Oligodendroglial cells

• Neuroblasts

• Microglial cells

What is the term for the outgrowth of axons from motor neuroblasts located in the basal plate of the spinal cord?

• Lateral inhibition

• Peripheral nerve formation

• Neurite Outgrowth

• Myelination

Which region of the brain is recognizable at 6 weeks of development?

• Telencephalon

• Rhombencephalon

• Mesencephalon

• Prosencephalon