451-500


 * 1) Sentence ID: 451

Behind the epithelial lining of interventricular foramen the choroid plexuses of the lateral ventricles are joined across the middle line.


 * 1) Sentence ID: 452

The Anterior Commissure ) is a bundle of white fibers, connecting the two cerebral hemispheres across the middle line .   The precommissure ) is a bundle of white fibers , connecting the two cerebral hemispheres across the middle line. The Anterior Commissure ) placed in front of the columns of the fornix .   The precommissure ) placed in front of the columns of the fornix.


 * 1) Sentence ID: 453

On sagittal section Anterior Commissure is oval in shape, Anterior Commissure 's long diameter being vertical. On sagittal section Anterior Commissure is oval in shape, Anterior Commissure 's long diameter measuring about 5 mm.


 * 1) Sentence ID: 454

Anterior Commissure 's fibers can be traced lateralward and backward on either side beneath the corpus striatum into the substance of the temporal lobe.


 * 1) Sentence ID: 455

Anterior Commissure serves in this way to connect the two temporal lobes,. Anterior Commissure also contains decussating fibers from the olfactory tracts.


 * 1) Sentence ID: 456

The Septum Pellucidum ( septum lucidum ) is a thin, vertically placed partition consisting of two laminæ , separated in the greater part of their extent by a narrow chink or interval. The Septum Pellucidum ( septum lucidum ) is a thin, vertically placed partition consisting of two laminæ , separated in the greater part of their extent by the cavity of the septum pellucidum.


 * 1) Sentence ID: 457

Septum Pellucidum is attached, above , to the under surface of the corpus callosum ;


 * 1) Sentence ID: 457

below, to the anterior part of the fornix behind , and the reflected portion of the corpus callosum in front.


 * 1) Sentence ID: 458

Septum Pellucidum is triangular in form, broad in front ; Septum Pellucidum is triangular in form, narrow behind ;


 * 1) Sentence ID: 458

Septum Pellucidum 's inferior angle corresponds with the upper part of the anterior commissure.


 * 1) Sentence ID: 459

The lateral surface of each Septum Pellucidum is directed toward the body of the lateral ventricle,. The lateral surface of each Septum Pellucidum is directed toward anterior cornu of the lateral ventricle,. The lateral surface of each Septum Pellucidum is covered by the ependyma of that cavity.


 * 1) Sentence ID: 460

The cavity of the septum pellucidum ) is generally regarded as part of the longitudinal cerebral fissure, which has become shut off by the union of the hemispheres in the formation of the corpus callosum above .   The cavum ) is generally regarded as part of the longitudinal cerebral fissure , which has become shut off by the union of the hemispheres in the formation of the corpus callosum above. The septi ) is generally regarded as part of the longitudinal cerebral fissure, which has become shut off by the union of the hemispheres in the formation of the corpus callosum above .   The pellucidi ) is generally regarded as part of the longitudinal cerebral fissure , which has become shut off by the union of the hemispheres in the formation of the corpus callosum above. The pseudocele ) is generally regarded as part of the longitudinal cerebral fissure, which has become shut off by the union of the hemispheres in the formation of the corpus callosum above .   The fifth ventricle ) is generally regarded as part of the longitudinal cerebral fissure , which has become shut off by the union of the hemispheres in the formation of the corpus callosum above. The cavity of the septum pellucidum ) is generally regarded as part of the longitudinal cerebral fissure, which has become shut off by the union of the hemispheres in the formation of the fornix below .   The cavum ) is generally regarded as part of the longitudinal cerebral fissure , which has become shut off by the union of the hemispheres in the formation of the fornix below. The septi ) is generally regarded as part of the longitudinal cerebral fissure, which has become shut off by the union of the hemispheres in the formation of the fornix below .   The pellucidi ) is generally regarded as part of the longitudinal cerebral fissure , which has become shut off by the union of the hemispheres in the formation of the fornix below. The pseudocele ) is generally regarded as part of the longitudinal cerebral fissure, which has become shut off by the union of the hemispheres in the formation of the fornix below .   The fifth ventricle ) is generally regarded as part of the longitudinal cerebral fissure , which has become shut off by the union of the hemispheres in the formation of the fornix below.


 * 1) Sentence ID: 461

Each half of septum pellucidum therefore forms part of the medial wall of the cerebral hemispheres, and consists of a medial layer of gray substance , derived from gray substance of the cortex. Each half of septum pellucidum therefore forms part of the medial wall of the cerebral hemispheres, and consists of a lateral layer of white substance continuous with white substance of the cerebral hemispheres.


 * 1) Sentence ID: 462

cavity of the septum pellucidum is not developed from the cavity of the cerebral vesicles. cavity of the septum pellucidum never communicates with the ventricles of the brain.


 * 1) Sentence ID: 463

The Choroid Plexus of the Lateral Ventricle ) is a highly vascular, fringe-like process of pia mater , which projects into the ventricular cavity .   The plexus chorioideus ventriculus lateralis ) is a highly vascular , fringe-like process of pia mater , which projects into the ventricular cavity. The paraplexus ) is a highly vascular, fringe-like process of pia mater , which projects into the ventricular cavity.


 * 1) Sentence ID: 464

Choroid Plexus of the Lateral Ventricle, however , is everywhere covered by a layer of epithelium continuous with the epithelial lining of the ventricle.


 * 1) Sentence ID: 465

Choroid Plexus of the Lateral Ventricle extends from the interventricular foramen, where Choroid Plexus of the Lateral Ventricle is joined with the plexus of the opposite ventricle , to the end of the inferior cornu.


 * 1) Sentence ID: 466

Choroid Plexus of the Lateral Ventricle 's part in relation to the body of the ventricle forms the vascular fringed margin of a triangular process of pia mater. Choroid Plexus of the Lateral Ventricle 's part in relation to the body of the ventricle forms the tela chorioidea of the third ventricle. Choroid Plexus of the Lateral Ventricle 's part in relation to the body of the ventricle projects from under cover of the lateral edge of the fornix.


 * 1) Sentence ID: 467

tela chorioidea of the third ventricle lies upon the upper surface of the thalamus, from which the epithelium is reflected over the plexus on to the edge of the fornix


 * 1) Sentence ID: 467

The portion in relation to the inferior cornu lies in the concavity of the hippocampus : The portion in relation to the inferior cornu overlaps the fimbria hippocampi :


 * 1) Sentence ID: 468

from the lateral edge of the fimbria the epithelium is reflected over the plexus on to the roof of the cornu


 * 1) Sentence ID: 468

tela chorioidea of the third ventricle consists of minute villous processes, each with an afferent vessel. tela chorioidea of the third ventricle consists of highly vascular villous processes, each with an afferent vessel. tela chorioidea of the third ventricle consists of minute villous processes, each with an efferent vessel. tela chorioidea of the third ventricle consists of highly vascular villous processes, each with an efferent vessel.


 * 1) Sentence ID: 469

The arteries of the plexus are : ( a ) the anterior choroidal, a branch of the internal carotid , which enters the plexus at the end of the inferior cornu. The arteries of the plexus are : ( b ) the posterior choroidal, one or two small branches of the posterior cerebral , which pass forward under the splenium.


 * 1) Sentence ID: 471

The veins of the choroid plexus unite to form a tortuous vein, which courses from behind forward to the interventricular foramen. The veins of the choroid plexus there joins with the terminal vein to form the corresponding internal cerebral vein.


 * 1) Sentence ID: 472

When the choroid plexus is pulled away, the continuity between choroid plexus 's epithelial covering is severed. When the choroid plexus is pulled away, the continuity between the epithelial lining of the ventricle is severed. When the choroid plexus is pulled away, a cleft-like space is produced.


 * 1) Sentence ID: 473

a cleft-like space is named the choroidal fissure ;


 * 1) Sentence ID: 473

like the plexus, choroidal fissure extends from the interventricular foramen to the end of the inferior cornu.


 * 1) Sentence ID: 474

The upper part of choroidal fissure, i.e. , the part nearest the interventricular foramen is situated between the lateral edge of the fornix ; The upper part of choroidal fissure, i.e. , the part nearest the interventricular foramen is situated between the upper surface of the thalamus ;


 * 1) Sentence ID: 474

farther back at the beginning of the inferior cornu choroidal fissure is between the commencement of the fimbria hippocampi , farther back at the beginning of the inferior cornu choroidal fissure is between the posterior end of the thalamus ,


 * 1) Sentence ID: 474

while in the inferior cornu choroidal fissure lies between the fimbria in the floor. while in the inferior cornu choroidal fissure lies between the stria terminalis in the roof of inferior cornu.


 * 1) Sentence ID: 475

The tela chorioidea of the third ventricle ) is a double fold of pia mater, triangular in shape ,   tela chorioidea ventriculi tertii ) is a double fold of pia mater , triangular in shape , velum interpositum ) is a double fold of pia mater, triangular in shape ,


 * 1) Sentence ID: 475

tela chorioidea of the third ventricle lies beneath the fornix.


 * 1) Sentence ID: 476

The lateral portions of tela chorioidea of the third ventricle 's lower surface rest upon the thalami ,


 * 1) Sentence ID: 476

while tela chorioidea of the third ventricle 's medial portion is in contact with the epithelial roof of the third ventricle.


 * 1) Sentence ID: 477

tela chorioidea of the third ventricle 's apex is situated at the interventricular foramen ;


 * 1) Sentence ID: 477

tela chorioidea of the third ventricle 's base corresponds with the splenium of the corpus callosum. tela chorioidea of the third ventricle 's base occupies the interval between corpus callosum above. tela chorioidea of the third ventricle 's base occupies the interval between the corpora quadrigemina below. tela chorioidea of the third ventricle 's base occupies the interval between the pineal body below.


 * 1) Sentence ID: 478

tela chorioidea of the third ventricle, together with the lower portions of the choroidal fissures , is sometimes spoken of as the transverse fissure of the brain.


 * 1) Sentence ID: 479

At tela chorioidea of the third ventricle 's base the two layers of the velum separate from each other. At tela chorioidea of the third ventricle 's base the two layers of the velum are continuous with the pia mater investing the brain in this region.


 * 1) Sentence ID: 480

tela chorioidea of the third ventricle 's lateral margins are modified to form the highly vascular choroid plexuses of the lateral ventricles.


 * 1) Sentence ID: 481

tela chorioidea of the third ventricle is supplied by the anterior and posterior choroidal arteries already described ,


 * 1) Sentence ID: 481

The veins of the tela chorioidea are named the internal cerebral veins ( venæ Galeni ) ;


 * 1) Sentence ID: 481

internal cerebral veins are two in number. internal cerebral veins run backward between tela chorioidea of the third ventricle 's layers, each being formed at the interventricular foramen by the union of the terminal vein with the choroidal vein.


 * 1) Sentence ID: 482

The internal cerebral veins unite posteriorly in a single trunk ),   The internal cerebral veins unite posteriorly in the great cerebral vein ) , The internal cerebral veins unite posteriorly in vena magna Galeni ) ,


 * 1) Sentence ID: 482

great cerebral vein passes backward beneath the splenium. great cerebral vein ends in the straight sinus.


 * 1) Sentence ID: 483

Structure of the Cerebral Hemispheres.


 * 1) Sentence ID: 484

- The cerebral hemispheres are composed of gray and white substance :


 * 1) Sentence ID: 485

gray covers their surface, and is termed the cortex ;


 * 1) Sentence ID: 485

white substance occupies the interior of cerebral hemispheres.


 * 1) Sentence ID: 486

The white substance consists of medullated fibers, varying in size ,. The white substance arranged in bundles separated by neuroglia.


 * 1) Sentence ID: 487

bundles may be divided, according to their course and connections , into three distinct systems.


 * 1) Sentence ID: 488

( 1 ) Projection fibers connect the hemisphere with the lower parts of the brain. ( 1 ) Projection fibers connect the hemisphere with the medulla spinalis.


 * 1) Sentence ID: 489

( 2 ) Transverse or commissural fibers unite the two hemispheres.


 * 1) Sentence ID: 490

( 3 ) Association fibers connect different structures in the same hemisphere ;


 * 1) Sentence ID: 490

Association fibers are, in many instances , collateral branches of the projection fibers , but others are the axons of independent cells.


 * 1) Sentence ID: 491

1.


 * 1) Sentence ID: 492

The projection fibers consist of efferent and afferent fibers uniting the cortex with the lower parts of the brain. The projection fibers consist of efferent and afferent fibers uniting the cortex with the medulla spinalis.


 * 1) Sentence ID: 493

The principal efferent strands are : ( 1 ) the motor tract, occupying the genu of the internal capsule : The principal efferent strands are : ( 1 ) the motor tract, occupying the anterior two-thirds of the occipital part of the internal capsule : The principal efferent strands are : ( 1 ) the motor tract, consisting of ( a ) the geniculate fibers , which decussate and end in the motor nuclei of the cranial nerves of the opposite side : The principal efferent strands are : ( 1 ) the motor tract, consisting of ( b ) the cerebrospinal fibers , which are prolonged through the pyramid of the medulla oblongata into the medulla spinalis :


 * 1) Sentence ID: 495

( 2 ) the corticopontine fibers, ending in the nuclei pontis.


 * 1) Sentence ID: 496

The chief afferent fibers are : ( 1 ) those of the lemniscus which are not interrupted in the thalamus. The chief afferent fibers are : ; ( 2 ) those of the superior cerebellar peduncle which are not interrupted in the red nucleus and thalamus. The chief afferent fibers are : ( 3 ) numerous fibers arising within the thalamus, and passing through its stalks to the different parts of the cortex ( page 810 ). The chief afferent fibers are : ( 4 ) optic and acoustic fibers, the former passing to the occipital , the latter to the temporal lobe.


 * 1) Sentence ID: 498

2.


 * 1) Sentence ID: 499

The transverse or commissural fibers connect the two hemispheres.


 * 1) Sentence ID: 500

commissural fibers include : ( a ) the transverse fibers of the corpus callosum ; commissural fibers include : ( b ) the anterior commissure ; commissural fibers include :, ( c ) the posterior commissure ; commissural fibers include : ( d ) the lyra or hippocampal commissure ;