Multiple Choice Question Which anatomical term refers to the paired structures on the anterior surface of the medulla that resemble side-by-side baseball bats and are separated by a longitudinal groove that is continuous with the spinal cord? O Cerebellum O Medullary pyramids Lateral lemniscus O Medial lemniscus Need help? Review these concept resources. Read About the Concept
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Question: The medulla oblongata is continuous with what structure inferiorly? What marks the margin between these two structures? Question: Generally, where is the reticular formation located? What is the function of the reticular formation?
Sri K.
13. The sleep/wake cycle is influenced by the A. basal nuclei. B. reticular formation. C. vermis. D. thalamic nuclei. E. cerebellum. 14. The stalk that connects the hypothalamus to the hypophysis (or pituitary gland) is the A. corpus callosum. B. infundibulum. C. insula. D. intermediate mass. E. arbor vitae. 15. Which of the following is NOT a function of the cerebellum? A. coordinate control of voluntary movements B. help in the maintenance of muscle tone C. control the heart rate D. control skeletal muscles to maintain balance E. control of posture, locomotion, and fine motor coordination. 16. Smooth, flowing movements are the result of fine motor coordination in the A. anterior vermis. B. cerebellar peduncles. C. lateral cerebellar hemispheres. D. flocculonodular lobe. E. arbor vitae. 17. The mammillary bodies A. influence breast milk production. B. produce reproductive hormones. C. are involved in emotional responses to odors. D. are found in the thalamus. E. influence the onset of puberty. 18. The central sulcus separates the A. two parietal lobes. B. frontal and parietal lobes. C. occipital and temporal lobes. D. temporal and frontal lobes. E. parietal and occipital lobes.
Madhur L.
b. The outer layer of the cerebrum contains neurons that appear gray, giving this tissue the name gray matter. This layer is called the cerebral cortex, which means "rind" in Latin. c. The inner layer of the cerebrum contains mainly axons that appear white, giving this tissue the name white matter. This layer is called the cerebral medulla, which means "middle" in Latin. 2. Select the basal ganglia from the left-side menu and use the book icon to read their definition. The basal ganglia include structures from the telencephalon, diencephalon, and mesencephalon. (Note: The term "ganglia," normally reserved for groups of neurons in the PNS, is used here for historical reasons. Some people use the term "basal nuclei." For a different view of the basal ganglia, you can refer to Module 20.21 Basal Ganglia.) a. These paired structures are composed of groups of neurons surrounding the nuclei. b. The basal ganglia regulate movement by processing input from the cerebral cortex. c. Select the upper, C-shaped part of one of the basal ganglia. What is this structure called? d. Select the lower, oval-shaped part of one of the basal ganglia. What is this structure called?
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