CNS Development
A change in this ratio is a characteristic of brain maturation.
What is gray to white matter? (PowerPoint: Chapter 5, slide 41)
Sheath of lipid and cell membrane wrapped around an axon and contributes to the speed of impulse transmission.
What is Myelin? (Book, page 1295)
Neurons that carry information from the sense organs to the brain.
What are sensory neurons?
Another name for tumor.
What is neoplasm? (Book, page 381)
Disease correlated to excessive dopamine activity.
What is Schizophrenia? (Book, page 378)
Preprogrammed cell death.
What is apoptosis? (PowerPoint: Chapter 5, slide 41)
Part of the neuron that takes information away from the cell body.
What is the Axon? (Book, page 1261)
Neurons that control voluntary movement by carrying messages from nerve cells in the brain to the muscles.
What are motor neurons?
Tumor that arises from glia or meninges within the CNS.
What is primary tumor? (Book, 381)
An autoimmune demyelinating disease of the central nervous system.
What is Multiple Sclerosis? (Book, page 346)
Time when brain cells develop more and stronger connections, and eliminate weaker and redundant connections.
What is critical period? (PowerPoint: Chapter 5, slide 41)
Part of the neuron that receive impulses from other cells and takes information to the cell body.
What are Dendrites? (Book, page 1272)
How neurons send signals.
What is the action potential? (PowerPoint: Chapter 5, slides 14-17)
Tumors that arise elsewhere in the body and spread to the brain area outside the brain.
What are metastatic (secondary) tumors? (Book, page 381)
An autoimmune demyelinating disease of the peripheral nervous system.
What is Guillain-Barre Syndrome? (Book, page 386)
The brain's ability to reorganize and optimize its functioning.
What is neuroplasticity? (PowerPoint: Chapter 5, slide 44)
Part of the neuron that contains the nucleus.
What is Soma (cell body)?
Area where two neurons interact.
What is synaptic cleft? (Book, page 347)
Name one of the three types of benign tumors.
What are meningioma, acoustic neuroma, or pituitary adenoma? (Book, page 383)
Disease caused by poor projection of cholinergic neurons to the hippocampus.
What is Alzheimer's? (PowerPoint: Chapter 5, slide 22)
Process where growth cones navigate the directional axonal paths by finding ways to connect with target neurons.
What is synaptogenesis? (PowerPoint: Chapter 5, slide 43)
The gaps in the myelin sheath.
What are the Nodes of Ranvier? (Book, page 1297)
Name one of the three different nerve cell types.
What is unipolar, multipolar, and bipolar? (Book, page 349)
Name one of the three types of malignant tumors.
What are astrocytomas, ependymoma, or oligodendrogliomas? (Book, page 383)
Neuromuscular junction disorder characterized by progressive fatigue and muscle weakness that worsens with physical exercise and improves with rest.
What is Myasthenia Gravis? (PowerPoint: Chapter 5, slide 23-24)