chp 35 neurosurgery part 1
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Created by:
monalisamom on March 23, 2011
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40 terms
Terms | Definitions |
|---|---|
 Neurosurgery is the treatment of | diseases and functional disorders of the brain , spine and peripheral nerves |
| the nervous system is the communications | center for the body |
| the nervous system | receives, processes and interprets information from the environment and coordinates responses |
| the nervous system has two parts they are | central nervous system (CNS) peripheral nervous system (PNS) |
| the central nervous system (CNS) includes | the brain and spinal cord |
| the Peripheral nervous system (PNS) includes | the cranial and spinal nerves and their branches |
| the primary cel type of the nervous system is | the neuron |
| the neuron transmits | information to other neurons, muscle and glandular tissue |
| the neuron has three parts, they are | the body ( soma) axon dendrites |
| the soma acts | as the sending and receiving area for nerve impulses and is the energy center for the cell |
| the axon carries | nerve impulses away from the cell |
| the dendrites carry | nerve impulses toward the cell |
| what provide support for the neurons | neuroglia and schwann cells |
| the brain and spinal cord are made up primarily of | neuroglia |
| astrocytes are the | most common type of neuroglia |
| astrocytes fill | the spaces between the neurons |
| oligo den dro cytes form | myelin, the fatty sheath that provides insulation for the dendrites |
| microglia are | specialized immune cells that remove cellular debris |
| ependymal cells line | the brain ventricles and are involved in production of cerebrospinal fluid (CSF) |
| schwann cells are found in the | peripheral nervous system |
| the schwann cell functions are the | production of myelin and the removal of cellular debris |
| the major bones of the skull are | frontal bone -1 parietal bone - 2 temporal bone - 2 occipital - 1 |
| the frontal bone provides | structure for the forehead and orbits |
| the parietal bone provides structure for | the sides and roof of the cranium |
| the temporal bone contributes to | the sides of the cranium |
| the occipital bone provides | structure for the back and floor of the cranium |
| the pericranium is the | periosteal layer of the skull bones |
| pericranium is covered by | muscle and galea |
| galea is | a tough , fibrous tissue sheet |
| the skin of the scalp is very | thick and highly vascular |
| beneath the skull lies the | meninges |
| the outer layer of the meninges is | the dura mater |
| the dura mater is composed of very | dense fibrous tissue |
| the middle layer of the meninges is | the arachniod mater |
| the arachniod mater is very | delicate, serous membrane |
| the bottom layer of the meninges is the | pia mater |
| the pia mater is | a vascular membrane that contains areolar connective tissue |
| the pia mater dips | into the various crevices and convolutions of the brain |
| between the arachniod mater and the pia mater is the | arachniod space |
| the arachniod space is | filled with Cerebrospinal fluid |
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