Combo with Ch 3 Brain - Notes and chaoter 3 brain
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| 1266032254 | myelinated nerve fibers (axons) found within brain and spinal cord that create pathways for the transmission of nerve impulses to and from the cortex | white matter | 0 | |
| 1266032255 | nerve cell bodies and unmyelinated nerve fibers covering the outside (cortex) and patches inside (nuclei) of the brain | gray matter | 1 | |
| 1266032256 | the outermost portion of the cerebrum; composed of gray matter approx. 2-3 mm thick (book says 3-5) | cerebral cortex | 2 | |
| 1266032257 | receives sensory input and sends instructions to the muscles and glands for control of bodily movement and activity | cerebral cortex | 3 | |
| 1266032258 | the largest and densest bundle of white matter fibers within the cerebrum; forms the roof of the lateral ventricles and connects the right and left cerebral hemispheres | corpus callosum | 4 | |
| 1266032259 | Name 4 critically important functions of the cerebrum: | *Thought *Judgment *Memory *Discrimination | 5 | |
| 1266032260 | Name the 4 parts of the corpus callosum: | *Rostrum *Genu *Body *Splenium | 6 | |
| 1266032261 | bundle of white matter fibers that crosses the midline within the lamina terminalis and connects the anterior portions of each temporal lobe | anterior commissure | 7 | |
| 1266032262 | a pathway made of several fibers that transmit nerve impulses for pupillary light reflexes | posterior commissure | 8 | |
| 1266032263 | bundle of white matter fibers that crosses the midline posterior to the 3rd ventricle, immediately above the cerebral aqueduct and inferior to the pineal gland | posterior commissure | 9 | |
| 1266032264 | the largest portion of the brain that is divided into left and right hemispheres | cerebrum | 10 | |
| 1266032265 | neural tissue arranged in numerous folds contained in each hemisphere | gyri | 11 | |
| 1266032266 | shallow grooves that separate the gyri | sulci | 12 | |
| 1266032267 | deep grooves that separate the gyri | fissures | 13 | |
| 1266032268 | the main sulcus that can be identified on CT and MRI images of the brain; divides the precentral gyrus of the frontal lobe & postcentral gyrus of the parietal lobe | central sulcus | 14 | |
| 1266032269 | considered the motor strip of the brain; located on the frontal lobe | precentral gyrus | 15 | |
| 1266032270 | considered the sensory strip of the brain; located on the parietal lobe | postcentral gyrus | 16 | |
| 1266032271 | Name the 2 main fissures of the cerebrum: | *Longitudinal fissure *Lateral fissure | 17 | |
| 1266032272 | a long deep furrow that divides the left and right cerebral hemispheres | longitudinal fissure | 18 | |
| 1266032273 | What structures are located in the longitudinal fissure? | Falx cerebri & Superior sagittal sinus | 19 | |
| 1266032274 | a deep furrow that separates the frontal and parietal lobes from the temporal lobe | Lateral fissure | 20 | |
| 1266032275 | What follows the course of the lateral fissure? | numerous blood vessels, primarily branches of the middle cerebral artery | 21 | |
| 1266032276 | What is another name for the lateral fissure? | Sylvian fissure | 22 | |
| 1266032277 | Name the 5 lobes of the cerebrum: | *Frontal *Parietal *Occipital *Temporal *Insula | 23 | |
| 1266032278 | the most anterior lobe of the brain | Frontal lobe | 24 | |
| 1266032279 | this lobe mediates functions such as reasoning, judgment, emotional response, planning and execution of complex actions, and control of voluntary muscle movements | Frontal lobe | 25 | |
| 1266032280 | motor speech (language) center contained in the frontal lobe | Broca's area | 26 | |
| 1266032281 | located in the middle portion of each cerebral hemisphere just posterior to the central sulcus | Parietal lobe | 27 | |
| 1266032282 | this lobe is associated with the perception of temperature, touch, pressure, vibration, pain, and taste & is involved in writing and some aspects of reading | Parietal lobe | 28 | |
| 1266032283 | the most posterior lobe of the brain | Occipital lobe | 29 | |
| 1266032284 | this lobe of the brain is involved in the conscious perception of visual stimuli | Occipital lobe | 30 | |
| 1266032285 | lobe of the brain that is anterior to the occipital lobe and is separated from the parietal lobe by the lateral fissure | Temporal lobe | 31 | |
| 1266032286 | functions of this lobe include conscious perceptions of auditory and olfactory stimuli as well as dominance for language | Temporal lobe | 32 | |
| 1266032287 | receives input from the optic tract via the optic radiations extending from the thalamus | primary visual area | 33 | |
| 1266032288 | memory processing occurs via the amygdala and hippocampus, which are clusters of gray matter located in this structure of the temporal lobe | parahippocampal gyrus | 34 | |
| 1266032289 | the auditory cortex, which can be divided into the primary and secondary auditory areas is located on this structure | superior temporal gyrus | 35 | |
| 1266032290 | the primary auditory area; receives the major auditory sensory information from the bilateral cochlea | Heschl's gyrus | 36 | |
| 1266032291 | the secondary auditory area; the center for comprehension and formulation of speech | Wernicke's area | 37 | |
| 1266032292 | area of cortical gray matter deep to the temporal lobe; often referred to as the fifth lobe; thought to mediate the motor and sensory functions of the viscera | Insula (island of Reil) | 38 | |
| 1266032293 | separates frontal and parietal lobes | central sulcus | 39 | |
| 1266032294 | separates the parietal and occipital lobes | Parieto-occipital sulcus | 40 | |
| 1266032295 | separates the temporal lobe from the other superficially, and at its deepest penetration this sulcus locates the insula that is "under" the parietal, frontal and temporal lobes | Lateral sulcus | 41 | |
| 1266032296 | a collection of subcortical gray matter which contributes to the planning and programming of muscle action and movement | basal nuclei (ganglia) | 42 | |
| 1266032297 | Name 3 the basal nuclei (ganglia): | *Caudate nucleus *Lentiform nucleus *Claustrum | 43 | |
| 1266032298 | these 2 are the largest of the basal nuclei and serve as relay stations between the thalamus and cerebral cortex of the same side | Caudate nucleus & Lentiform nucleus | 44 | |
| 1266032299 | one of the largest of the basal nuclei; parallels the lateral ventricle and consists of a head, body & tail | Caudate nucleus | 45 | |
| 1266032300 | part of the caudate nucleus that causes an indentation to the frontal horns of the lateral ventricles | Head of caudate nucleus | 46 | |
| 1266032301 | part of the caudate nucleus that terminates at the amygdala in the temporal lobe | Tail of caudate nucleus | 47 | |
| 1266032302 | a biconvex lens-shaped mass of gray matter located between the insula, caudate nucleus, and thalamus | Lentiform nucleus | 48 | |
| 1266032303 | Name the 2 parts of the lentiform nucleus: | *Globus pallidus *Putamen | 49 | |
| 1266032304 | a thin linear layer of gray matter lying between the insula and the lentiform nucleus; thought to be involved with the mediation of visual attention | Claustrum | 50 | |
| 1266032305 | Tracts of ______ ______ separate the basal nuclei and transmit electrical impulses throughout the brain. | white matter | 51 | |
| 1266032306 | a thin layer of white matter that separates the claustrum from the lentiform nucleus | external capsule | 52 | |
| 1266032307 | thin layer of white matter located between the claustrum and insular cortex | extreme capsule | 53 | |
| 1266032308 | Name the 3 parts that form the Diencephalon: | *Epithalamus *Thalamus *Hypothalamus | 54 | |
| 1266032309 | a brain region that surrounds the midline 3rd ventricle and consists of the Epithalamus, Thalamus & Hypothalamus | Diencephalon | 55 | |
| 1266032310 | part of the diencephalon that serves as a relay station to and from the cerebral cortex for all sensory stimuli with exception of the olfactory nerves | Thalamus | 56 | |
| 1266032311 | forms the lateral wall of the 3rd ventricle | thalamus | 57 | |
| 1266032312 | consists of a cluster of small but critical nuclei located below the thalamus just posterior to the optic chiasm | Hypothalamus | 58 | |
| 1266032313 | forms the floor of the 3rd ventricle | hypothalamus | 59 | |
| 1266032314 | helps maintain homeostasis as it controls regulation of temperature, appetite, sex drive & sleep patterns | Hypothalamus | 60 | |
| 1266032315 | Name the structures included in/inferior to the hypothalamus: | *Optic chiasm *Mammillary bodies *Infundibulum *Pituitary gland (hypophysis) | 61 | |
| 1266032316 | The epithalamus extends posteriorly to form the ______ ______. | pineal body | 62 | |
| 1266032317 | an endocrine gland connected to the hypothalamus by the infundibulum | pituitary gland (hypophysis) | 63 | |
| 1266032318 | a slender stalk located between the optic chiasm and the mammillary bodies | infundibulum | 64 | |
| 1266032319 | sometimes called the master gland because it controls and regulates the functions of many other glands through the action of its six major types of hormones | pituitary gland | 65 | |
| 1266032320 | The pituitary gland can be broken down into these 2 lobes: | *Anterior lobe (adenohypophysis) *Posterior lobe (neurohypophysis) | 66 | |
| 1266032321 | part of the diencephalon that forms the roof of the 3rd ventricle | Epithalamus | 67 | |
| 1266032322 | an endocrine structure that makes up the epithalamus; secretes the hormone melatonin that aids in the regulation of day-night cycles and reproductive functions | Pineal gland | 68 | |
| 1266032323 | sits on roof of the midbrain just posterior to the 3rd ventricle & below the splenium of the corpus callosum; sometimes calcified | Pineal gland | 69 | |
| 1266032324 | a complex group of interconnected brain structures and fibers tracts located within and adjacent to the medial surface of the temporal lobes | Limbic system | 70 | |
| 1266032325 | system involved in aggression, submissive and sexual behavior, memory, learning, and general emotional responses | Limbic system | 71 | |
| 1266032326 | List 6 structures of the Limbic system: | *Hippocampus *Amygdala *Olfactory tracts *Fornix *Cingulate Gyrus *Mammillary bodies | 72 | |
| 1266032327 | the inrolled medial border of the temporal lobe that resembles the shape of a seahorse when viewed in the coronal plane | Parahippocampal gyrus | 73 | |
| 1266032328 | List 2 prominent structures of the parahippocampal gyrus involved with memory and emotion | *Hippocampus *Amygdala | 74 | |
| 1266032329 | an important structure within the parahippocampal gyrus that has a strong role in the transition of memory from short-term to long-term | Hippocampus | 75 | |
| 1266032330 | an almond-shaped mass of gray matter located deep within the parahippocampal gyrus, medial to hypothalamus, adjacent to hippocampus | amygdala | 76 | |
| 1266032331 | coordinates the actions of the autonomic & endocrine systems & is concerned w/olfactory reflexes and aggressive and sexual behavior | amygdala | 77 | |
| 1266032332 | these run underneath the frontal lobes and connect to the amygdala to bring info. on the sense of smell to the limbic system | Olfactory tracts | 78 | |
| 1266032333 | an arch-shaped limbic fiber tract that lies below the splenium of the corpus callosum & makes up inferior margin of septum pellucidum | Fornix | 79 | |
| 1266032334 | serves specifically to integrate the hippocampus with other functional areas of the brain | fornix | 80 | |
| 1266032335 | a prominent gyrus located on the medial border of each cerebral hemisphere just superior to the corpus callosum | Cingulate gyrus | 81 | |
| 1266032336 | important because it is considered to be the brain's emotional control center | Cingulate cortex | 82 | |
| 1266032337 | two small rounded bodies in the floor of the posterior hypothalamus responsible for memory and motivation | mammillary bodies | 83 | |
| 1266032338 | Name the 3 parts of the Brainstem: | *Midbrain *Pons *Medulla Oblongata | 84 | |
| 1266032339 | a relatively small mass of tissue packed w/motor & sensory nuclei; 10 of the 12 cranial nerves originate from nuclei located here | Brainstem | 85 | |
| 1266032340 | acts as a conduit between the cerebral cortex, cerebellum, and spinal cord | Brainstem | 86 | |
| 1266032341 | located in central portion of brainstem; provides complex motor patterns, aspects of respiratory & cardiovascular activity and regulation of consciousness | tegmentum | 87 | |
| 1266032342 | an area in the central core of the tegmentum containing the cranial nerve nuclei and ascending and descending tracts to and from the brain | reticular formation | 88 | |
| 1266032343 | located above the pons at the junction of the middle & posterior cranial fossae; smallest portion of the brainstem | Midbrain | 89 | |
| 1266032344 | Name the 2 major segments of the Midbrain: | *Cerebral peduncles *Tectum/Quadrigeminal plate | 90 | |
| 1266032345 | posterior to the cerebral aqueduct; makes up the roof or dorsal surface of the midbrain | Tectum / Quadrigeminal plate | 91 | |
| 1266032346 | four rounded protuberances contained in the tectum (quadrigeminal plate) | Colliculi | 92 | |
| 1266032347 | upper pair of protuberances in the tectum; center for visual reflexes that coordinate movements of the eyes with those of the head & neck | superior colliculi | 93 | |
| 1266032348 | lower pair of protuberances in the tectum; act as a relay station for the auditory pathway, providing auditory info to the thalamus | inferior colliculi | 94 | |
| 1266032349 | 2 large ropelike bundles anterior to the cerebral aqueduct composed of axons that are a direct extension of the fibers of the internal capsule & extend from the cerebral cortex to spinal cord | Cerebral peduncles | 95 | |
| 1266032350 | a broad layer of cells that contain melanin; involved with the production of dopamine, a neurotransmitter that controls muscular reflexes | Substantia nigra | 96 | |
| 1266032351 | within the tegmentum, at the level of the superior colliculi; composed of a tract of motor nerve fibers & serves as a relay station between cerebellum & cerebral hemispheres | red nucleus | 97 | |
| 1266032352 | contributes to the coordination of movements and to the sense of balance | red nucleus | 98 | |
| 1266032353 | portion of the tegmentum that surrounds the cerebral aqueduct; receives sensory input that conveys pain & temperature to the brain | Periaqueductal gray matter | 99 | |
| 1266032354 | located between the midbrain & medulla oblongata; composed mostly of fibers which connect the two halves of the cerebellum to the rest of the brain | Pons | 100 | |
| 1266032355 | extends from the pons to the foramen magnum, where it continues as the spinal cord | Medulla oblongata | 101 | |
| 1266032356 | a rounded oval prominence on each lateral surface of the medulla oblongata; involved in coordination, balance, and modulation of sound impulses from the inner ear | olive | 102 | |
| 1266032357 | connects the 2 cerebellar hemispheres | vermis | 103 | |
| 1266032358 | referred to as the "little brain"; attaches posteriorly to the brainstem and occupies the posterior cranial fossa | cerebellum | 104 | |
| 1266032359 | the foliated appearance of the white and gray matter of the deep cortex of the cerebellum | arbor vitae | 105 | |
| 1266032360 | connect the cerebellum to the brainstem | cerebellar peduncles | 106 | |
| 1266032361 | located deep within the center of each cerebellar hemisphere; the largest and most lateral of the deep cerebellar nuclei | dentate nucleus | 107 | |
| 1266032362 | anterior horns of lateral ventricles are located in this lobe of the brain | frontal lobe | 108 | |
| 1266032363 | posterior horns of lateral ventricles are located in this lobe of the brain | occipital lobe | 109 | |
| 1266032364 | inferior horns of lateral ventricles are located in this lobe of the brain | temporal lobes | 110 | |
| 1266032365 | Name the 3 foramina in the 4th ventricle that communicate with the basal cisterns: | *Foramen of Magendie *Foramina of Luschka | 111 | |
| 1266032366 | foramen of the 4th ventricle that opens into the cisterna magna | Foramen of Magendie | 112 | |
| 1266032367 | foramina of the 4th ventricle that open into the Pontine cistern | Foramina of Luschka | 113 | |
| 1266032368 | cistern located between the temporal and frontal lobe | Cistern of the lateral sulcus | 114 | |
| 1266032369 | cistern located between the two temporal lobes & is formed where the arachnoid is separated from the cerebral peduncles | interpeduncular cistern | 115 | |
| 1266032370 | what do meninges do? | surround and protect the brain | 116 | |
| 1266032371 | whats the dura mater? | the outermost membrane of the brain | 117 | |
| 1266032372 | what are in between the two layers of the dura mater? | meningeal arteries and dural sinuses | 118 | |
| 1266032373 | what are the 3 dural folds? | falx cerebri, tentorium cerebelli, falx cerebelli | 119 | |
| 1266032374 | where is the falx cerebri? | between cerebral hemispheres | 120 | |
| 1266032375 | whre is the tentorium cerebelli? | between cerebrum and cerebellum | 121 | |
| 1266032376 | where is the falx cerebelli? | between cerebellar hemispheres | 122 | |
| 1266032377 | what is the arachnoid? | it is the extremely thin, delicate, transparent middle layer of meninges. | 123 | |
| 1266032378 | what does the arachnoid follow? | the contour of dura mater | 124 | |
| 1266032379 | what are ventricals? | four fluid filled cavities deep in brain | 125 | |
| 1266032380 | what are the 4 ventricles of the brain? | lateral ventricles, third, and fourth ventricles | 126 | |
| 1266032381 | what are the lateral ventricles? | there large; in each hemisphere; mainly in parietal lobe? | 127 | |
| 1266032382 | what is the septum pellucidum? | thin verticle partion separating R & L lateral ventricals | 128 | |
| 1266032383 | whats the trigone (atria)? | triangular area at junction of occipital and temporal horns | 129 | |
| 1266032384 | what is the interventricular foramen? (foramen of monro) | communication between each lateral ventricle and the third ventricle | 130 | |
| 1266032385 | what is the third ventricle? | narrow midline slitlike chamber inferior to lateral ventricles | 131 | |
| 1266032386 | what is the thalamus? | forms lateral walls of third ventricle | 132 | |
| 1266032387 | what is the cerebral aqueduct? (aqueduct of sylvius) | communication between 3rd and 4th ventricle; traverses posterior portion of midbrain | 133 | |
| 1266032388 | what is the foramen magendle? | opeing in medial dorsal wall; major exit for CSF; communication with cisterna magna | 134 | |
| 1266032389 | what is the foramina of luschka? | two openings in lateral walls; allows CSF to pass between ventricles and subarachnoid space | 135 | |
| 1266032390 | what produces CSF? | choriod plexus | 136 | |
| 1266032391 | what is the area between medulla oblongata? | cisterna magna | 137 | |
| 1266032392 | what is gyri? | folds (ridges) on surface | 138 | |
| 1266032393 | what is sulci? | shallow grooves between surface gyri | 139 | |
| 1266032394 | what is the longitudinal fissure? | deep cleft between R & L hemispheres | 140 | |
| 1266032395 | where is the falx cerebri and superior sagittal sinus? | within the longitudinal fissure | 141 | |
| 1266032396 | where is the middle cerebral artery? | within the lateral (sylvian) fissure | 142 | |
| 1266032397 | what is the cerebral cortex? | outermost portion | 143 | |
| 1266032398 | what does the cerebral cortex do? | recieves sensory impulses and sends motor impulses | 144 | |
| 1266032399 | what is the corpus callosum? | largest and densest bundle of white matter fibers within cerebrum | 145 | |
| 1266032400 | what forms the roof of the lateral ventricles? | corpus callosum | 146 | |
| 1266032401 | what is the anterior end of the corpus callosum called? | genu | 147 | |
| 1266032402 | what is the posterior end of the corpus callosum called? | splenium | 148 | |
| 1266032403 | what are the cerebral lobes? | frontal, parietal, occipital, temporal | 149 | |
| 1266032404 | what is the brocas area? | production of speech and contains motor speech center | 150 | |
| 1266032405 | What is refered to as the 5th lobe? | insula (islands of reil) | 151 | |
| 1266032406 | what parallels the lateral ventricle? | caudate nucleus | 152 | |
| 1266032407 | where is the lentiform nucleus? | centrally located in each hemisphere | 153 | |
| 1266032408 | what is the claustrum? | thin linear layer of gray matter lateral to lentiform nucleus and deep to cortex of insula | 154 | |
| 1266032409 | what is the internal capsule | band of white matter medial to lentiform nucleus separating lentiform nucleus from caudate nucleus and thalamus | 155 | |
| 1266032410 | what separates lentiform nucleus from caudate nucleus and thalamus? | internal capsule of claustrum | 156 | |
| 1266032411 | what is the external capsule? | thin layer of white matter separating claustrum from lentiform nucleus | 157 | |
| 1266032412 | what separates claustrum from lentiform nucleus? | external capsule of claustrum | 158 | |
| 1266032413 | what is the extreme capsule? | thin layer of white matter separating claustrum from insular cortex | 159 | |
| 1266032414 | what separates claustrum from insular cortex? | extreme capsule | 160 | |
| 1266032415 | what are the parts of the diencephalon? | thalamus, hypothalamus, epithalamus | 161 | |
| 1266032416 | where does the thalamus lie? | on either side of the 3rd ventricle | 162 | |
| 1266032417 | what does the massa intermedia do? | relays sensory impulses except for the olfactory nerves to cerebral cortex | 163 | |
| 1266032418 | what is the pituitary gland? | endocrine gland connected to hypothalamus by the infundibulum | 164 | |
| 1266032419 | where is the pituitary gland? | it sits in the sella turcica of sphenoid bone | 165 | |
| 1266032420 | what is the infundibulum? | its the pituitary stalk; connects pituitary gland to hypothalamus | 166 | |
| 1266032421 | what is the pineal gland? | endocrine gland located of roof of midbrain posterior to 3rd ventricle | 167 | |
| 1266032422 | what regulates sleep/awake cycles? | pineal gland | 168 | |
| 1266032423 | what are the functions of the limbic system? | emotional aspects of behavior (aggression, submission, and sexual behavior); memory, learning and general emotional responses | 169 | |
| 1266032424 | what are the subdivisions of the brainstem? | midbrain, pons, medulla oblongata | 170 | |
| 1266032425 | what is the midbrain? | smallest dividion; its between diencephalon and pons | 171 | |
| 1266032426 | what surrounds the cerebral aqueduct? | midbrain | 172 | |
| 1266032427 | what are cerebral peduncles? | two rope like bundles on ventral aspect of midbrain | 173 | |
| 1266032428 | what is the prominent bulge that relays impulses between spinal cord and cerebral and cerebellar cortices? | pons | 174 | |
| 1266032429 | what does the medulla oblongata contain? | vital centers that regulate and control heart rate, respiratory rhythm and blood pressure | 175 | |
| 1266032430 | what contains nerve tracts that aid in voluntary motor control? | pyramids | 176 | |
| 1266032431 | halfway along medulla oblongata cerebral aqueduct widens to become the what? | fourth ventricle | 177 | |
| 1266032432 | what is the cerebellum? | center for motor functions | 178 | |
| 1266032433 | what is the vermis? | coiled wormlike; connects 2 hemispheres | 179 | |
| 1266032434 | what is different about the veins in the brain? | they dont contain valves which allow blood- borne pathogens to pass from body to brain and from brain to body | 180 | |
| 1266032435 | what is the blood brain barrier? | inability to allow certain molecules to pass out of capilaries | 181 | |
| 1266032436 | what are the 2 main pair of vessels that the brain recieves blood? | internal carotid arteries and vertebral arteries | 182 | |
| 1266032437 | what supplies frontal, parietal, temporal, and orbital structures? | internal carotids | 183 | |
| 1266032438 | where do the internal carotids ascend? | they ascend through base of skull and enter carotid canals of temporal bones. | 184 | |
| 1266032439 | at optic chaism ______ branches to anterior cerebral artery and middle artery | internal carotid artery | 185 | |
| 1266032440 | what does the internal carotid artery branch into at the optic chaism? | anterior cerebral artery and middle cerebral artery | 186 | |
| 1266032441 | what is the largest of cerebral arteries? | middle cerebral artery | 187 | |
| 1266032442 | what is the direct continuation of internal carotid artery? | middle cerebral artery | 188 | |
| 1266032443 | what artery supplies much of lateral surface of cerebrum? | middle cerebral artery | 189 | |
| 1266032444 | what arises from subclavian artery? | vertebral arteries | 190 | |
| 1266032445 | what arteries ascend vertically through transverse formina of cervical vertebrae? | vertebral arties | 191 | |
| 1266032446 | what does the vertebral arteries enter the cranium through? | foramen magnum | 192 | |
| 1266032447 | vertebral arteries unite anterior to pons to form ____. | basilar artery | 193 | |
| 1266032448 | what is the posterior communicating artery? | connection between posterior cerebral artery and internal carotid artery | 194 | |
| 1266032449 | what connects the posterior cerebral artery and internal carotid artery? | posterior communicating artery | 195 | |
| 1266032450 | what is the circle of willis? | cerebral arterial circle | 196 | |
| 1266032451 | what is the function of circle of willis? | means of collateral blood flow from one cerebral to the other if there is a blockage | 197 | |
| 1266032452 | what is the circle of willis formed by? | A & P cerebral, A & P communicating, and internal carotid arteries | 198 | |
| 1266032453 | what are the dural sinuses? | very large veins within dura mater of brain | 199 | |
| 1266032454 | all veins of the head drain into ____ and then into _____ | dural sinus, internal jugular veins | 200 | |
| 1266032455 | where does the superior sagittal sinus begin? | crista gallii | 201 | |
| 1266032456 | where does the superior sagittal sinus end? | internal occipital protuberance | 202 | |
| 1266032457 | what converges with great cerbral vein to from straight sinus? | inferior sagittal sinus | 203 | |
| 1266032458 | where is the straight sinus? | along length of junction of falx cerebri and the tentorium cerebelli | 204 | |
| 1266032459 | what is the confluence of sinuses? | junction of superior sagittal, transverse, and straight sinuses | 205 | |
| 1266032460 | where is the transverse sinus? | extend from the confluence between attachment to tentorium cerebelli and calvaria | 206 | |
| 1266032461 | what is the sigmoid sinuses? | continuation of transverse sinuses | 207 | |
| 1266032462 | sigmoid sinuses continue in ________ to join jugular bulbs of _______ | posterior cranial fossa, internal jugular veins | 208 | |
| 1266032463 | what envelops internal cranial arteries and several cranial nerves? | cavernous sinuses | 209 | |
| 1266032464 | where do cranial nerves arise from? | brainstem | 210 | |
| 1266032465 | what is the longest cranial nerve? | cranial nerve V (tirgeminal) | 211 | |
| 1266032466 | what are the cranial nerves V? | motor fibers for muscles of mastication; sensory fibers for head | 212 | |
| 1266032467 | what are the cranial nerves V lll? | vestibulocochlear or auditory | 213 | |
| 1266032468 | cranial nerve X (vagus)? | extensive distribution system; sensory and motor for specific areas | 214 |
