Chapter 12 - The Central Nervous System
What are the brain regions of adults?
cerebrum, diencephalon, brain stem and cerebellum
What brain region is comprised of the midbrain, pons, and medulla?
What brain region includes the thalmus, hypothalmus, and pituitary gland?
What is the central cavity of the CNS surrounded by gray matter, with external white matter composed of myelinated fiber tracts?
What region of the CNS includes cerebral hemispheres and the cerebellum?
The ventricles of the brain are filled with cerebrospinal fluid and are lined by what?
The lateral ventricles of the brain go into the third ventricle via what?
The third ventricle of the brain goes into the fourth ventricle via what?
The paired, C-shaped ventricles in the cerebral hemispheres are separated anteriorly by what?
The third ventricle is located where?
in the diencephalon
The fourth ventricle is located where?
in the hindbrain
The fourth ventricle has three openings. Which are in the side walls?
The fourth ventricle has three openings. Which are in the roof?
Which surface markings on the cerebral hemispheres are the ridges?
gyri or gyrus
Which surface markings on the cerebral hemispheres are shallow grooves?
Which surface markings on the cerebral hemispheres are deep grooves?
What separates the two hemispheres of the brain?
What separates the cerebrum and cerebellum?
transverse cerebral fissure
What separates the precentral gyrus of the frontal lobe and the postcentral gyrus of the parietal lobe?
What separates the occipital and parietal lobes?
What outlines the temporal lobes?
What are the basic regions of the cerebral hemispheres?
cerebral cortex, white matter, basal nuclei
What area of the brain deals with sensory?
What area of the brain deals with motor activity?
What is the thin, superficial layer of gray matter that makes up 40% of the brain and is the site of the conscious mind?
Where is the primary motor cortex located?
Where is the premotor cortex located?
anterior to the precentral gyrus
What is Broca's area responsible for?
motor speech, speech production
What is Broca's area located?
anterior to the inferior premotor area
What is Wernicke's area associated with?