CNS Development
The forebrain develops into two subdivisions: the telencephalon and _____.
What is the diencephalon?
Textbook page 320
Where an axon of one neuron attaches to another neuron
What is the synapse?
Powerpoint 1 slide 22
These cells support and protect nerve cells and actively participate in tissue repair in response to brain injury and disease.
What are neuroglial cells?
Textbook page 342
Another word for tumor
What is a neoplasm?
Textboook page 381
A degenerative disease of the aging brain associated with dementia
What is Alzheimers?
Textbook Page 93
One of several important processes that begins during the trilaminar stage of human development and is complete by the end of week 4.
What is Neurulation?
Textbook page 313
This part of the neuron passes electrical signals to dendrites of another cell
What is the Axon?
Neuronal structure powerpoint slide 13
These neurons process sensory input, and their impulses move toward the nucleus
What are Afferent neurons?
Powerpoint 1 slide 22
A tumor can be primary or ______.
What is metastatic?
Textbook page 381
Degenerative motor disease of the brain characterized by tremor, slow movement, reduced muscle strength, and dysarthria
What is Parkinsons?
Textbook page 27
Pre-programmed cell death occurring most dramatically in the first 2 years of life is known as _____.
What is Apoptosis?
Neuronal Structure PowerPoint slide 41
Provides insulation and protection of nerve fibers
What is myelin?
Neuronal structure PowerPoint slide 8
Cells receive impulses primarily through the ____.
What are dendrites?
Textbook page 342
Tumors that grow fast, invade the surrounding tissue, and are fatal
What are Malignant tumors?
Textbook page 381
A neuromuscular junction disorder that is characterized by progressive fatigue and muscle weakness that worsens with physical exercise and improves with rest
What is myasthenia gravis?
Textbook page 387
The size of the cerebrum greatly increases due to proliferation of _____.
What is white matter?
Neuronal structure PowerPoint slide #41
Increases nerve conduction speed
What are the Nodes of Ranvier
Neuronal structure PowerPoint slide 8
These fibers transmit motor impulses from the brain and spinal cord to the periphery of the body to contract muscles, activate gland secretion, and produce movement.
What are efferent fibers?
Textbook page 45
A low grade tumor that's seggrated cells are differentiable from surrounding cells
What is a benign tumor?
Textbook page 381
A disease that involves the body's own immune system attacking the axons and their coverings in the PNS
What is Guillain-Barre syndrome?
Textbook page 27
Roughly ___% of gray matter dies during apoptosis
What is 50%?
Neuronal structure PowerPoint slide #41
Rare neurons found in just the ear and the eye
What are Bipolar Neurons
Neuronal structure PowerPoint slide 10
Whether the effect of a nerve impulse is excitatory or inhibitory on the target cell depends on the identity of the _____ released by the neuron.
What is the neurotransmitter?
Textbook page 342
These tumors arise from the meningeal (arachnoidal cells) membrane
What are meningiomas?
Textbook page 383
_____ diseases of the brain are the most frequent cause of neurological deficits and communicative disorders in adults
What are vascular diseases?
Textbook page 445