| A | B |
| The thick folds of the cerebrum are called the ____. | gyri |
| The anatomical landmark used to identify the end of the brainstem and the beginning of the spinal cord is the _______ ______. | foramen magnum |
| The two cerebral hemispheres are separated by a deep groove called the ____________ _______. | longitudinal fissure |
| The directional term often used in relation to structures of the brain to indicate towards the forehead is _______. | rostral |
| In some areas of the brain, the two layers of the dura mater are separated by _____ _______ that function to collect blood that has circulated through the brain and return it to the internal jugular veins. | dural sinuses |
| The vascular, translucent membrane that closely follows the contours of the brain is called the ___ _____. | pia mater |
| The meningeal layer of the dura mater that extends down into the vertebral column to cover the spinal cord is called the _____ ______. | dural sheath |
| The _____________ ________ connects the third ventricle to the fourth ventricle, and is found in the midbrain region. | mesencephalic aqueduct |
| Cerebrospinal fluid is produced by _________ cells. | ependymal |
| The spinal cord tapers to a point called the _________ ____ at its distal end. | medullary cone |
| The bundle of nerve roots that extend through the vertebral canal at L2 -S5 are collectively called the _____ ______. | cauda equina |
| White matter of the CNS consists of __________ _____. | myelinated axons |
| Most sensation and control in the head and neck is ipsilateral, meaning the right side of the brain controls the right side of the head and neck. In most of the rest of the body, sensation and control is _____________. | contralateral |
| The ____ links the cerebellum to the rest of the brain and gives rise to the large Trigeminal cranial nerve. | pons |
| The white matter of the cerebellum is seen on cross-section as a deep layer with a branching fern-like pattern and is called the _____ _____. | arbor vitae |
| The ______ is a narrow bridge that connects the right and left cerebellar hemispheres. | vermis |
| The tectum or "roof" of the midbrain consists of 4 structures called the _______ ____________. | corpora quadrigemina |
| Sleep, consciousness, and habituation to certain repetitive stimuli are controlled by the _________ _________, a body of gray matter that runs through the midbrain, pons and medulla. | Reticular formation |
| The walls and floor of the third ventricle are formed by the of the diencephalon. | hypothalamus |
| The ______ gland produces melatonin and functions as the body's internal time clock. | pineal |
| __________ tracts link the cerebral cortex to the brain stem, cerebellum and spinal cord. | Projection |
| Each cerebral hemisphere is specialized for certain tasks. This difference in function is called ____________. | lateralization |
| Name the three major portions of the brain. | Cerebrum; Cerebellum; Brain stem |
| Name the three meninges of the brain in order from most superficial to deepest. | Dura mater; Arachnoid mater; Pia mater |
| __________ tracts of cerebral white matter cross from one cerebral hemisphere to the other and usually pass through the corpus callosum. | Comissural |