SECTION 6: Ventricles of the Brain A. Inside the cerebral hemispheres and brainstem is a series of interconnected cavities called ventricles. These spaces are continuous with the central canal of the spinal cord and contain cerebrospinal fluid. The lateral ventricles (first and second ventricles) are the largest, and lie within the right and left cerebral hemispheres. The third ventricle is a narrow cavity along the midline of the brain in the area of the diencephalon. The fourth ventricle lies between the cerebellum and the brainstem. The cerebral aqueduct (aqueduct of the midbrain) is a narrow canal that connects the third and fourth ventricles. Label Figure 13.8 with the terms provided. Refer to your textbook as a guide. Cerebral hemisphere 1 2 3 Cerebellum 5 Pons Medulla oblongata Spinal cord 4 Figure 13.8. Ventricles of the brain Lateral ventricles Third ventricle Fourth ventricle Cerebral aqueduct (aqueduct of the midbrain) Central canal 1. 2. 3. 4. 5.
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The lateral ventricles (first and second ventricles) are the largest and lie in the right and left cerebral hemispheres. Show more…
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Place the following structures through which CSF flows in the correct order as CSF flows through the ventricular system of the brain: a. cerebral aqueduct b. fourth ventricle c. interventricular foramen d. lateral ventricles e. third ventricle Match each definition listed in column A with the appropriate structure listed in column B: Column A 1. Fiber tract that connects right and left cerebral hemispheres 2. A groove between the frontal lobes and remaining lobes 3. A groove between the right and left cerebral hemispheres 4. A groove between the temporal and parietal lobes 5. A groove that separates the cerebrum from the cerebellum 6. The most anterior lobe of the brain 7. The most lateral lobe(s) of the brain 8. The most superior lobe(s) of the brain 9. Ridges of brain tissue 10. Shallow grooves on the surface of the brain Column B a. central sulcus b. corpus callosum c. frontal lobes d. gyri e. lateral sulcus f. longitudinal fissure g. parietal lobe h. sulci i. temporal lobe j. transverse fissure Which of the following are major lobes visible on the surface of the cerebrum? (Check all that apply) a. frontal b. insula c. occipital d. parietal e. temporal Which of the following brain structures are visible on the inferior surface of the brain? (Check all that apply) a. brainstem b. cerebellum c. frontal lobe d. parietal lobe e. temporal lobe
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