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cranial nerves ls
| Question | Answer |
|---|---|
| What does the cerebrum control? | concious though processes, intellectual functions, memory storage and processing |
| what are the deep grooves in the cerebellum called? | fissures |
| what are the elevated ridges called? | gyri |
| what are the shallow depressions called? | sulci |
| what does the cerebellum control? | coordinates repetetive body movements |
| what are the hemispheres of the cerebellum separated by? | vermis |
| what are the divisions of the diencephalon? | the left thalamus, the right thalamus, and the hypothalamus. links the cerebrum with the brain stem. |
| what is the function of the thalamus? | relays and processes sensory information. |
| what is the function of the hypothalmus? | controls emotions, hormone production, homeostasis, and autonomic functions. |
| what is the pituitary gland connected to? | the hypothalamus by the infundibulum |
| what are the pituitary gland and the hypothalamus responsible for? | integration of the nervous and endocrine systems. |
| what is the function of the brain stem and what structures does the brain stem include? | processes information between the spinal cord, the cerebrum, and the cerebellum. Includes the mesencephalon, the pons, and the medulla oblogata |
| what structure processes vision, hearing and associated reflexes and maintains conciousness? | the mesencephalon |
| what structure connects the cerebellum and the brain stem and is involved in somatic and visceral motor control? | the pons |
| what structure connects the brain to the spinal cord and helps to relay information and regulate autonomic functions? | the medulla oblogata |
| what are the first two ventricles in the brain separated by? | the septum pellucidum |
| how do the lateral ventricles communicate with the third ventricle? | the intraventricular foramen |
| how is the fourth ventricle connected with the third ventricle? | the mesencephalic aqueduct |
| what are the layers of brain protection? | 1. layers of skin, 2. periosteum, 3. bone, 4. dura mater, 5. arachnoid mater, 6. pia mater, 7. cerebrum |
| what are the layers of the cranial meninges? | the dura mater, the arachnoid mater, and the pia mater. |
| what does the cranial meningies protect the brain from? | cranial trauma. |
| what is the function of the dural folds? | extend into the cranial cavity, stabalize and support the brain, and contain collecting veins:dural sinuses. |
| what does cerebrospinal fluid do? | surrounds all exposed surfaces of the CNS and interchanges with intersitial fluid of the brain. |
| what is the function of CSF? | cushions delicate neural structures, supports the brain, and transports nutrients, chemical messengers, and waste products. |
| what is the choroid plexus? | consists of ependymal cells that secrete CSF into ventricles. also adjusts composition of the CSF. |
| what is the circulation of CSF? | from choroid plexus to ventricles to central canal then into subarachnoid space of brain and spinal cord. it is removed via arachnoid granulations into venous sinus. |
| what is the vermis? | a narrow band of cortex that connects hemispheres |
| what is the folia? | surface of the cerebellum, highly folded neural cortex |
| What structures do the penduncles link nerve fibers with? | the brain stem,the cerebrum and the spinal cord |
| what is the arbor vitae? | a network of axons extending from the cerebral nuclues |
| what are the two pairs of sensory nuclei? | superior colliculus and inferior colliculus |
| Where are the cerebral penduncles? | on the ventrolateral surface of the diencephalon |
Created by:
lstetka
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