CNS Development
The pituitary gland develops between weeks __ and __ of gestation.
What are weeks 4 and 5? (Page 141)
The basic functional unit in the central nervous system.
What is the nerve cell? (Page 152)
_________ are afferent (receptive) and transmit information to the cell body from other cells.
What are dendrites? (Page 154)
________ is determined by grading a tumor on a scale (I-IV).
What is malignancy? (Page 168)
A collective term referring to a group of diverse muscle diseases caused by tissue degeneration.
What is myopathy? Page (495)
Lobes of the brain become identifiable during the ______ trimester.
What is the third trimester? (Page 140)
Multilayered lipid material that insulates and protects the nerve fiber.
What is the myelin sheath? (Page 154)
_______ _______ are released from synaptic terminals.
What are synaptic vesicles? (Page 154)
Another word for tumor; refers to uncontrolled and unregulated growth of body tissue.
What is neoplasm? (Page 168)
Fasiculation is usually seen in patients with diseases of ______ motor neurons.
What are lower motor neurons? (Page 28)
Two subdivisions of the forebrain
What are the telencephalon and diencephalon? (Page 140)
This piece aligns with the synaptic cleft and releases synaptic vesicles.
What is the terminal bouton? (Page 153)
Resting membrane potential is typically between ____ and ____ mV.
What is -50 and -70 mV? (Page 159)
The formation of new blood vessels promoting growth in tumorous tissue.
What is angiogenesis? (Page 168)
Multiple sclerosis is a disease that results in the decay of _____.
What is myelin? (Page 170)
The brain and spinal cord begin developing early in week ___ of gestation.
What is week 3? (Page 138)
Gaps within the neuron's myelin sheath.
What are the Nodes of Ranvier? (Page 154)
The period of time when a cell is incapable of producing a second action potential.
What is the absolute refractory period? (Page 160)
The most notable complications of a tumor are increased cranial pressure and _______.
What are seizures? (Page 169)
Degenerative motor disease of the brain characterized by tremor, movement slowness, and reduced muscular strength affecting motor speech.
What is Parkinson's Disease? (Page 5)
The thalamus and hypothalamus develop in the lateral walls of the _____ ventricle.
What is the third ventricle? (Page 141)
This part of the neuron releases neurotransmitters into the synaptic cleft.
What is the presynaptic (or axon) terminal? (Page 154)
The loss of positive potassium ions across the membrane creates a _____ membrane potential while the cell is at rest.
What is a negative membrane potential? (Page 160)
Most common cause of hormonal and visual deficit.
What is pituitary adenoma? (Page 169)
________ diseases of the brain are the most frequent causes of neurological deficits and adult disabilities.
What is vascular? (Page 196)