Spinal Fluid
Describe the appearance of cerebrospinal fluid (CSF)?
Clear and watery
Masses of myelinated nerve fibers appear what color?
White
What part of the brain controls emotional responses and emotional expression in response to stimuli?
The limbic system
Describe the arrangement of gray and whit matter for the spinal cord.
White matter is superficial and gray matter is deep
What is used to measure CSF pressure?
Spinal tap or a lumbar puncture
How many axons and/or dendrites can a neuron have?
One axon and many dendrites
What part of the brain includes the thalamus and hypothalamus?
Diencephalon
The gray matter of the spinal cord is divided into areas called what?
Horns
Where is the choroid plexuses located that secretes most of the cerebrospinal fluid present at any one time?
Lateral ventricles
Peripheral nerves can regenerate and recover its original function because of what structure?
Schwann cells
What is the function of the basal nuclei?
Facilitate and help coordinate voluntary movement
What is the simplest nerve pathway from a sensory receptor to an effector called?
Reflex
The cerebral aqueduct contains CSF flowing from the__________ to the__________.
third ventricle; fourth ventricle
What is the neurotransmitter that controls skeletal muscle contraction?
Acetylcholine
What structure is connected to the hypothalamus by a stalk known as the infundibulum?
Pituitary gland
What is the role of reciprocal innervation during a withdrawal reflex response?
To inhibit ipsilateral extensors
Name the basic pathway of CSF?
Lateral ventricles- third ventricle- forth ventricle- arachnoid granulations
Roughly how long does an excitatory postsynaptic potential last?
15 milliseconds
The cerebral hemisphere is separated by what structure and joined by what other structure?
Separated by falx cerebri and connected by the Corpus callosum
The spinal nerves traveling to and from the brain are divided into 2 branches. There are 3 interchangeable names for both branches, what are they?
Motor and Sensory
Ascending and Descending
Afferent and Efferent