Term
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Definition
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Term
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Definition
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Term
| Rostral and caudal compare parts in the ___ ____ |
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Definition
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Term
| What are the four major divisions of the brain? |
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Definition
| Cerebrum, diencephalon, cerebellum, and the brain stem |
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Term
| What are the five ventricles we need to know? |
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Definition
| lateral ventricles, third ventricle, cerebral aqueduct, fourth ventricle, and the central canal |
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Term
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Definition
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Term
| What is contained within the brain ventricles? |
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Definition
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Term
| What are the three protective coverings of the CNS? |
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Definition
| skull, vertebrae, and meninges |
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Term
| What are the three types of meninges? |
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Definition
| dura mater (most superficial meninx), arachnoid mater (middle meninx), and pia mater (adheres to brain/spinal cord surfaces) |
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Term
| ____ separates the cerebral hemispheres |
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Definition
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Term
| ______ ______ separates the cerebellum from the cerebrum |
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Definition
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Term
| Define dural venous sinuses |
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Definition
| space between the two layers of dura mater |
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Term
| What is the cerebral cortex? |
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Definition
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Term
| What is the function of it fissure? |
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Definition
| It separates the right and left halves of the brain |
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Term
| Where is the insula located? |
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Definition
| beneath the frontal and temporal lobes of the brain |
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Term
| What is the function of the precentral gyrus? |
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Definition
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Term
| What is the function of the postcentral gyrus? |
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Definition
| primary somatosensory cortex |
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Term
| What are the three components of cerebral white matter? |
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Definition
| commisural fibers, associational fibers, and projection fibers |
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Term
| What is the largest commissural fiber? |
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Definition
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Term
| What is another name for basal ganglia? |
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Definition
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Term
| What is the function of the basal ganglia? |
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Definition
| initiates and terminates body movements; suppresses unwanted movements |
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Term
| What are the three components of the diencephalon? |
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Definition
| Thalamus, hypothalamus, and epithalamus |
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Term
| The Thalamus is a _____ station |
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Definition
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Term
| the hypothalamus controls ______ |
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Definition
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Term
| What are the three components of the midbrain? |
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Definition
| cerebral peduncles, cerebral aqueduct, and the corpora quadrigemina |
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Term
| Define cerebral peduncles |
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Definition
| composed mostly of motor tracts from the cortex to the cerebellum and spinal cord |
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Term
| What are the nuclei that form 4 bumps on the dorsal midbrain? |
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Definition
| corpora quadrigemina; superior colliculi control visual reflexes and the inferior colliculi control auditory reflexes |
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Term
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Definition
| the bridge between the brainstem and the cerebellum |
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Term
| What is the ventral brain structure of transversely running fibers? |
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Definition
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Term
| What part of the brain is it impossible to live without? |
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Definition
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Term
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Definition
| motor tracts that form bulges on the anterior surface of the medulla |
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Term
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Definition
| nuclei that form bulges just lateral to the pyramids (sensory relay station) |
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Term
| What are the three major tracts entering/exiting the cerebellum? |
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Definition
| superior, middle (largest), and inferior cerebellar peduncles |
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Term
| What are the functions of the cerebellum? |
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Definition
| coordinates and smoothes motor movements, equilibrium and balance, some cognition |
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Term
| What is the purpose of the flocculonodular lobe? |
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Definition
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Term
| What are the functions of the anterior and posterior lobes? |
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Definition
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Term
| What are the three functions of the spinal cord? |
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Definition
| sensory and motor innervation of the whole body, two-way conduction between the brain and body; major integration center for reflexes |
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Term
| Where does the spinal cord stop? |
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Definition
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Term
| What are the five major components of the spinal cord? |
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Definition
| conus medillaris, cauda equina, filum terminale, cervical enlargement, and lumbar enlargement |
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Term
| Why doesn't the spinal cord reach the entire length of the spinal column? |
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Definition
| the spinal column grows faster than the spinal cord |
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Term
| Spinal nerves are _____ nerves |
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Definition
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Term
| What is the arrangement of white matter and grey matter in the spinal cord? |
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Definition
white matter: external
grey matter: internal |
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Term
| What is another name for funiculus? |
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Definition
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Term
| What part of the spine helps you see which side is the front and which is the back? |
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Definition
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Term
| somatic motor neurons are in _____ _____ |
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Definition
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Term
| Interneurons are in the ___ ____ |
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Definition
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Term
| spinal cord white matter is both ____ and ___ |
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Definition
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Term
| The ascending white matter tracts are "_____" while the descending ones are "____" |
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Definition
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Term
| What are the characteristics of the cervical enlargement? |
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Definition
| Largest amount of white matter and large amount of grey matter |
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Term
| What type of information gets "relayed" to the thalamus? |
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Definition
| sound, olfactory, and somatosensory |
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