Neural Tube Development and Spinal Cord Anatomy for Neurobiology
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9 Terms
What are the two main plates formed from the neural tube and their functions?
The Alar plate (Sensory) and Basal plate (Motor).
What does the alar plate of the neural tube develop into?
It develops into sensory structures.
What does the basal plate of the neural tube develop into?
It develops into motor structures.
What are the main components of the neural tube?
Germinal layer, Mantle layer, Ependymal layer, Grey matter, and White matter.
What is the significance of the rostral and caudal ends of the neural tube?
The rostral end develops into the brain, while the caudal end becomes the spinal canal.
What is the role of somites in neural tube development?
Somites contribute to the segmentation and organization of the developing nervous system.
What are the types of neurons mentioned in the notes and their functions?
Afferent neurons (sensory function), Alpha motor neurons (motor innervation), and Interneurons.
What is the difference between grey matter and white matter in the central nervous system?
Grey matter contains cell bodies and is found on the surface and deep within structures, while white matter consists of myelinated axons and is found deeper.
What are the types of sensory and motor fibers indicated in the notes?
General Somatic Afferent (GSA), Special Somatic Afferent (SSA), General Visceral Afferent (GVA), General Visceral Efferent (GVE), Special Visceral Efferent (SVE), and General Somatic Efferent (GSE).