The central nervous system consists of what two structures?
Astrocytes, oiligodendrocytes, microglia and ependymal cells are all types of ___________ in the CNS.
A histological examination of the brain during an autopsy reveals an extremely high number of microglial cells in an area that had suffered recent trauma? What do these cells signify?
Gaps in myelin sheath are called.
In the spinal cord, where do we find CSF?
What are the two divisions of the PNS?
Motor neurons of the efferent division of the PNS carry _____________.
A child is brought to the clinic with a high temperature. The doctor states that the child's meninges are inflamed. What is the probable cause?
Interconnecting neurons and communication between cerebral hemispheres occurs through what structure?
An involuntary muscular contraction in response to a stimulus is known as _________.
Following a train accident a woman with an obvious head injury, is observed stumbling abou the scene. An inability to walk properly and loss of balance are obvious. Which region of the brain was injured?
This neurotransmitter is also a hormone. In the PNS it plays a role in the 'fight or flight' response.
This neurotransmitter produces a feeling of euphoria.
The outer most layer of the meninges
Voluntary control of skeletal muscles is provided by the ____________.
Neurons are classified on the basis of their function as
Nerve impulses start at the dendrite then travels through the cell body to the ___________.
What are the primary functions of the nervous system.
The membranes located between bone and the soft tissue of the nervous system.
Neurons are classified on the basis of their structure as ____________.
A part of a synapse where intercellular communications between neurons occur.
A simple nerve pathway that would be involved with involuntary actions.
The autonomic nervous system is divided into what two divisions?
Nerves of the ______________ nervous system receive and process sensory input from the skin, muscles, tendons, joints, eyes, etc.
Nerves of the _______________ nervous system carry impulses from the CNS to glands, various smooth muscles, cardiac muscle and various membranes.
brain and spinal cord
neuroglia cells
phagocytic activity to remove dead cells and infectious organisms present
Nodes of Ranvier
central canal and subarachnoid space
autonomic and somatic
instructions from the CNS to muscles, glands, and adipose tissue
spinal meningitis
corpus callosum
reflex
cerebellum
nerepinephrine
dopamine
dura mater
somatic nercous system
motor, sensory, and association
axon
monitoring internal and external environments; integrating sensory information; coordinating voluntary and involuntary responses
meninges
unipolar, bipolar, multipolar
synaptic terminal
reflex arc
sympathetic and parasympathetic
somatic
autonomic
