70-150


 * 1) Sentence ID: 71

Most of posterior commissure 's fibers have their origin in a nucleus, the nucleus of the posterior commissure ( nucleus of Darkschewitsch ) , which lies in the central gray substance of the upper end of the cerebral aqueduct , in front of the nucleus of the oculomotor nerve.


 * 1) Sentence ID: 72

posterior commissure 's fibers are probably derived from the posterior part of the thalamus. posterior commissure 's fibers are probably derived from the superior colliculus. posterior commissure 's fibers are believed to be continued downward into the medial longitudinal fasciculus.


 * 1) Sentence ID: 73

The Hypothalamus includes the subthalamic tegmental region. The Hypothalamus includes the structures forming the greater part of the floor of the third ventricle. The Hypothalamus includes the corpora mammillaria. The Hypothalamus includes the tuber cinereum. The Hypothalamus includes the infundibulum. The Hypothalamus includes the hypophysis. The Hypothalamus includes the optic chiasma.


 * 1) Sentence ID: 74

The subthalamic tegmental region consists of the upward continuation of the tegmentum ;


 * 1) Sentence ID: 74

subthalamic tegmental region lies on the ventro-lateral aspect of the thalamus. subthalamic tegmental region separates thalamus from the fibers of the internal capsule.


 * 1) Sentence ID: 75

The red nucleus are prolonged into subthalamic tegmental region 's lower part ; the substantia nigra are prolonged into subthalamic tegmental region 's lower part ;


 * 1) Sentence ID: 75

in front subthalamic tegmental region is continuous with the substantia innominata of Meynert. in front subthalamic tegmental region is continuous medially with the gray substance of the floor of the third ventricle.


 * 1) Sentence ID: 76

subthalamic tegmental region consists from above downward of three strata : ( 1 ) stratum dorsale, directly applied to the under surface of the thalamus ; subthalamic tegmental region consists from above downward of three strata : ( 1 ) stratum dorsale, consisting of fine longitudinal fibers ; subthalamic tegmental region consists from above downward of three strata : ( 2 ) zona incerta, a continuation forward of the formatio reticularis of the tegmentum ; subthalamic tegmental region consists from above downward of three strata : ( 3 ) the corpus subthalamicum ( nucleus of Luys ), a brownish mass presenting a lenticular shape on transverse section ; subthalamic tegmental region consists from above downward of three strata : ( 3 ) the corpus subthalamicum ( nucleus of Luys ), a brownish mass situated on the dorsal aspect of the fibers of the base of the cerebral peduncle ;


 * 1) Sentence ID: 77

subthalamic tegmental region is encapsuled by a lamina of nerve fibers. subthalamic tegmental region contains numerous medium-sized nerve cells, the connections of which are as yet not fully determined.


 * 1) Sentence ID: 78

The corpora mammillaria ( corpus albicantia ) are two round white masses, each about the size of a small pea , placed side by side below the gray substance of the floor of the third ventricle in front of the posterior perforated substance.


 * 1) Sentence ID: 79

corpora mammillaria consist of white substance externally , corpora mammillaria consist of gray substance internally ,


 * 1) Sentence ID: 79

corpora mammillaria 's cells of gray substance internally forming two nuclei, a medial of smaller cells. corpora mammillaria 's cells of gray substance internally forming two nuclei, a lateral of larger cells.


 * 1) Sentence ID: 80

corpora mammillaria 's white substance is mainly formed by the fibers of the columns of the fornix, which descend to the base of the brain. corpora mammillaria 's white substance is mainly formed by the fibers of the columns of the fornix, which end partly in the corpora mammillaria.


 * 1) Sentence ID: 81

From corpora mammillaria 's cells of the gray substance of each mammillary body two fasciculi arise :


 * 1) Sentence ID: 82

two fasciculi, the thalamomammillary fasciculus ( bundle of Vicq d’Azyr ) , passes upward into the anterior nucleus of the thalamus ;


 * 1) Sentence ID: 82

two fasciculi is directed downward into the tegmentum.


 * 1) Sentence ID: 83

Afferent fibers are believed to reach the corpus mammillare from the medial lemniscus. Afferent fibers are believed to reach the corpus mammillare from the tegmentum.


 * 1) Sentence ID: 84

The tuber cinereum is a hollow eminence of gray substance situated between the corpora mammillaria behind. The tuber cinereum is a hollow eminence of gray substance situated between the optic chiasma in front.


 * 1) Sentence ID: 85

Laterally tuber cinereum is continuous with the anterior perforated substances. Laterally tuber cinereum is continuous anteriorly with a thin lamina, the lamina terminalis.


 * 1) Sentence ID: 86

From the under surface of the tuber cinereum a hollow conical process, the infundibulum , projects downward and forward. From the under surface of the tuber cinereum a hollow conical process, the infundibulum , is attached to the posterior lobe of the hypophysis.


 * 1) Sentence ID: 87

In the lateral part of the tuber cinereum is a nucleus of nerve cells, the basal optic nucleus of Meynert. In the lateral part of the tuber cinereum close to the cavity of the third ventricle are three additional nuclei.


 * 1) Sentence ID: 88

Between the tuber cinereum a small elevation, with a corresponding depression in the third ventricle , is sometimes seen. Between the corpora mammillaria a small elevation, with a corresponding depression in the third ventricle , is sometimes seen.


 * 1) Sentence ID: 89

Retzius has named a small elevation, with a corresponding depression in the third ventricle the eminentia saccularis. Retzius regards it as a representative of the saccus vasculosus found in this situation in some of the lower vertebrates.


 * 1) Sentence ID: 90

The hypophysis ( pituitary body ) is a reddish-gray, somewhat oval mass , measuring about 12.5 mm. in its transverse,. The hypophysis ( pituitary body ) is a reddish-gray, somewhat oval mass , measuring about 8 mm. in its antero-posterior diameter.


 * 1) Sentence ID: 93

hypophysis is attached to the end of the infundibulum ; hypophysis is situated in the fossa hypophyseos of the sphenoidal bone, where hypophysis is retained by a circular fold of dura mater ; hypophysis is situated in the fossa hypophyseos of the sphenoidal bone, where hypophysis is retained by the diaphragma sella ;


 * 1) Sentence ID: 93

the diaphragma sella almost completely roofs in the fossa hypophyseos of the sphenoidal bone, leaving only a small central aperture through which the infundibulum passes.


 * 1) Sentence ID: 94

Optic Chiasma ( chiasma opticum ; optic commissure ).


 * 1) Sentence ID: 95

- The optic chiasma is a flattened, somewhat quadrilateral band of fibers , situated at the junction of the floor of the third ventricle. - The optic chiasma is a flattened, somewhat quadrilateral band of fibers , situated at the junction of the anterior wall of the third ventricle.


 * 1) Sentence ID: 96

Most of optic chiasma 's fibers have fibers 's origins in the retina. Most of optic chiasma 's fibers reach the chiasma through the optic nerves, which are continuous with its antero-lateral angles.


 * 1) Sentence ID: 97

In the chiasma, fibers 's origins in the retina undergo a partial decussation


 * 1) Sentence ID: 97

the fibers from the nasal half of the retina decussate. the fibers from the nasal half of the retina enter the optic tract of the opposite side. the fibers from the temporal half of the retina do not undergo decussation. the fibers from the temporal half of the retina pass back into the optic tract of the same side.


 * 1) Sentence ID: 98

Occupying the posterior part of the chiasma, however , is a strand of fibers , the commissure of Gudden , which is not derived from the optic nerves ;


 * 1) Sentence ID: 98

the commissure of Gudden forms a connecting link between the medial geniculate bodies.


 * 1) Sentence ID: 99

Optic Tracts.


 * 1) Sentence ID: 100

- The optic tracts are continued backward and lateralward from the postero-lateral angles of the optic chiasma.


 * 1) Sentence ID: 101

optic tracts passes between the anterior perforated substance. optic tracts passes between the tuber cinereum. optic tracts winding around the ventrolateral aspect of the cerebral peduncle, divides into a medial root. optic tracts winding around the ventrolateral aspect of the cerebral peduncle, divides into a lateral root.


 * 1) Sentence ID: 102

optic tracts comprises the fibers of Gudden’s commissure.


 * 1) Sentence ID: 103

optic tracts 's lateral root consists mainly of afferent fibers which arise in the retina ; but optic tracts 's lateral root also contains a few fine efferent fibers which have their origins in the brain. optic tracts 's lateral root consists mainly of afferent fibers which undergo partial decussation in the optic chiasma, as described ; but optic tracts 's lateral root also contains a few fine efferent fibers which have their origins in the brain. optic tracts 's lateral root consists mainly of afferent fibers which arise in the retina ; but optic tracts 's lateral root also contains a few fine efferent fibers which have their terminations in the retina. optic tracts 's lateral root consists mainly of afferent fibers which undergo partial decussation in the optic chiasma, as described ; but optic tracts 's lateral root also contains a few fine efferent fibers which have their terminations in the retina.


 * 1) Sentence ID: 104

When traced backward, the afferent fibers of optic tracts 's lateral root are found to end in the lateral geniculate body ; When traced backward, the afferent fibers of optic tracts 's lateral root are found to end in pulvinar of the thalamus ; When traced backward, the afferent fibers of optic tracts 's lateral root are found to end in the superior colliculus ;


 * 1) Sentence ID: 104

and the lateral geniculate body constitute the lower visual centers.


 * 1) Sentence ID: 105

Fibers arise from the nerve cells in the lower visual centers. Fibers pass through the occipital part of the internal capsule, under the name of the optic radiations , to the cortex of the occipital lobe of the cerebrum , where the higher or cortical visual center is situated.


 * 1) Sentence ID: 106

Some of the fibers of the optic radiations take an opposite course, arising from the cells of the occipital cortex. Some of the fibers of the optic radiations take an opposite course, passing to the lower visual centers.


 * 1) Sentence ID: 107

optic tracts fibers are detached from the optic tract. optic tracts fibers pass through the cerebral peduncle to the nucleus of the oculomotor nerve.


 * 1) Sentence ID: 108

optic tracts fibers may be regarded as the afferent branches for the Sphincter pupillæ muscles. optic tracts fibers may be regarded as the afferent branches for the Ciliaris muscles.


 * 1) Sentence ID: 109

optic tracts have been described as reaching the cerebellum through the superior peduncle ; while others, again , are lost in the pons.


 * 1) Sentence ID: 110

The Third Ventricle ( ventriculus tertius ).


 * 1) Sentence ID: 111

- The third ventricle is a median cleft between the two thalami.


 * 1) Sentence ID: 112

Behind, third ventricle communicates with the fourth ventricle through the cerebral aqueduct. Behind, third ventricle communicates in front with the lateral ventricles through the interventricular foramen.


 * 1) Sentence ID: 113

Somewhat triangular in shape, with the apex directed backward , third ventricle has a roof. Somewhat triangular in shape, with the apex directed backward , third ventricle has a floor. Somewhat triangular in shape, with the apex directed backward , third ventricle has an anterior boundary. Somewhat triangular in shape, with the apex directed backward , third ventricle has a posterior boundary. Somewhat triangular in shape, with the apex directed backward , third ventricle has a pair of lateral walls.


 * 1) Sentence ID: 114

third ventricle 's roof is formed by a layer of epithelium, which stretches between the upper edges of the lateral walls of the cavity. third ventricle 's roof is continuous with the epithelial lining of the ventricle.


 * 1) Sentence ID: 115

third ventricle 's roof is covered by a fold of pia mater, named the tela chorioidea of the third ventricle , from the under surface of which a pair of vascular fringed processes , the choroid plexuses of the third ventricle , project downward , one on either side of the middle line. third ventricle 's roof is adherent to a fold of pia mater, named the tela chorioidea of the third ventricle , from the under surface of which a pair of vascular fringed processes , the choroid plexuses of the third ventricle , project downward , one on either side of the middle line. third ventricle 's roof is covered by a fold of pia mater, named the tela chorioidea of the third ventricle , from the under surface of which a pair of vascular fringed processes , the choroid plexuses of the third ventricle , invaginate the epithelial roof into the ventricular cavity. third ventricle 's roof is adherent to a fold of pia mater, named the tela chorioidea of the third ventricle , from the under surface of which a pair of vascular fringed processes , the choroid plexuses of the third ventricle , invaginate the epithelial roof into the ventricular cavity.


 * 1) Sentence ID: 116

third ventricle 's floor slopes downward and forward : third ventricle 's floor is formed mainly by the structures which constitute the hypothalamus :


 * 1) Sentence ID: 117

from before backward the structures which constitute the hypothalamus are :


 * 1) Sentence ID: 118

the optic chiasma. the tuber cinereum. the infundibulum. the corpora mammillaria.


 * 1) Sentence ID: 119

Behind the corpora mammillaria, third ventricle 's floor is formed by the interpeduncular fossa. Behind the corpora mammillaria, third ventricle 's floor is formed by the tegmenta of the cerebral peduncles.


 * 1) Sentence ID: 120

The third ventricle is prolonged downward as a funnel-shaped recess, the recessus infundibuli , into the infundibulum. to the apex of infundibulum the hypophysis is attached.


 * 1) Sentence ID: 121

third ventricle 's anterior boundary is constituted below by the lamina terminalis ; third ventricle 's anterior boundary is constituted below by a thin layer of gray substance stretching from the upper surface of the optic chiasma to the rostrum of the corpus callosum ;


 * 1) Sentence ID: 121

above third ventricle 's anterior boundary is constituted the columns of the fornix. above third ventricle 's anterior boundary is constituted the anterior commissure.


 * 1) Sentence ID: 122

At the junction of the floor, immediately above the optic chiasma , the ventricle presents a small angular recess or diverticulum. At the junction of the anterior wall, immediately above the optic chiasma , the ventricle presents a small angular recess or diverticulum. At the junction of the floor, immediately above the optic chiasma , the ventricle presents the optic recess. At the junction of the anterior wall, immediately above the optic chiasma , the ventricle presents the optic recess.


 * 1) Sentence ID: 123

Between the columns of the fornix, is a second recess termed the vulva. above the anterior commissure, is a second recess termed the vulva.


 * 1) Sentence ID: 124

At the junction of the roof of the ventricle, is the interventricular foramen ( foramen of Monro ) through which the third ventricles. At the junction of the anterior wall of the ventricle, is the interventricular foramen ( foramen of Monro ) through which the third ventricles. situated between the thalami behind, is the interventricular foramen ( foramen of Monro ) through which the third ventricles. situated the columns of the fornix in front, is the interventricular foramen ( foramen of Monro ) through which the third ventricles. At the junction of the roof of the ventricle, is the interventricular foramen ( foramen of Monro ) through which the lateral ventricles. At the junction of the anterior wall of the ventricle, is the interventricular foramen ( foramen of Monro ) through which the lateral ventricles. situated between the thalami behind, is the interventricular foramen ( foramen of Monro ) through which the lateral ventricles. situated the columns of the fornix in front, is the interventricular foramen ( foramen of Monro ) through which the lateral ventricles.


 * 1) Sentence ID: 125

The third ventricle 's posterior boundary is constituted by the pineal body. The third ventricle 's posterior boundary is constituted by the posterior commissure. The third ventricle 's posterior boundary is constituted by the cerebral aqueduct.


 * 1) Sentence ID: 126

A small recess, projects into the stalk of the pineal body , while in front of the pineal body is a second recess , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. the recessus pinealis, projects into the stalk of the pineal body , while in front of the pineal body is a second recess , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. A small recess, projects into the stalk of the pineal body , while above the pineal body is a second recess , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. the recessus pinealis, projects into the stalk of the pineal body , while above the pineal body is a second recess , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. A small recess, projects into the stalk of the pineal body , while in front of the pineal body is the recessus suprapinealis , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. the recessus pinealis, projects into the stalk of the pineal body , while in front of the pineal body is the recessus suprapinealis , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. A small recess, projects into the stalk of the pineal body , while above the pineal body is the recessus suprapinealis , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof. the recessus pinealis, projects into the stalk of the pineal body , while above the pineal body is the recessus suprapinealis , consisting of a diverticulum of the epithelium which forms The third ventricle 's roof.


 * 1) Sentence ID: 127

The third ventricle 's lateral wall consists of an upper portion formed by the medial surface of the anterior two-thirds of the thalamus. The third ventricle 's lateral wall consists of a lower consisting of an upward continuation of the gray substance of the ventricular floor.


 * 1) Sentence ID: 128

The third ventricle 's lateral wall correspond to the alar respectively of the lateral wall of the fore-brain vesicle and are separated from each other by a furrow, which extends from the interventricular foramen to the cerebral aqueduct ( pages 741 and 742 ). The third ventricle 's lateral wall correspond to the basal laminæ respectively of the lateral wall of the fore-brain vesicle and are separated from each other by a furrow, which extends from the interventricular foramen to the cerebral aqueduct ( pages 741 and 742 ). The third ventricle 's lateral wall correspond to the alar respectively of the lateral wall of the fore-brain vesicle and are separated from each other by the sulcus of Monro, which extends from the interventricular foramen to the cerebral aqueduct ( pages 741 and 742 ). The third ventricle 's lateral wall correspond to the basal laminæ respectively of the lateral wall of the fore-brain vesicle and are separated from each other by the sulcus of Monro, which extends from the interventricular foramen to the cerebral aqueduct ( pages 741 and 742 ).


 * 1) Sentence ID: 129

The third ventricle 's lateral wall is limited above by the tænia thalami.


 * 1) Sentence ID: 130

The columns of the fornix curve downward in front of the interventricular foramen. The columns of the fornix then run in the lateral walls of the ventricle, where , at first , columns of the fornix form distinct prominences. The columns of the fornix then run in the lateral walls of the ventricle, where , at first , columns of the fornix are lost to sight.


 * 1) Sentence ID: 131

The third ventricle 's lateral walls are joined to each other across the cavity of the ventricle by a band of gray matter ( page 809 ). The third ventricle 's lateral walls are joined to each other across the cavity of the ventricle by the massa intermedia ( page 809 ).


 * 1) Sentence ID: 132

Interpeduncular Fossa - Interpeduncular Fossa is a somewhat lozenge-shaped area of the base of the brain, limited in front by the optic chiasma. Interpeduncular Fossa - Interpeduncular Fossa is a somewhat lozenge-shaped area of the base of the brain, limited behind by the antero-superior surface of the pons. Interpeduncular Fossa - Interpeduncular Fossa is a somewhat lozenge-shaped area of the base of the brain, limited antero-laterally by the converging optic tracts. Interpeduncular Fossa - Interpeduncular Fossa is a somewhat lozenge-shaped area of the base of the brain, limited postero-laterally by the diverging cerebral peduncles.


 * 1) Sentence ID: 133

The structures contained in Interpeduncular Fossa have already been described ;


 * 1) Sentence ID: 133

from behind forward, The structures contained in Interpeduncular Fossa are the posterior perforated substance. from behind forward, The structures contained in Interpeduncular Fossa are corpora mamillaria. from behind forward, The structures contained in Interpeduncular Fossa are tuber cinereum. from behind forward, The structures contained in Interpeduncular Fossa are infundibulum. from behind forward, The structures contained in Interpeduncular Fossa are hypophysis.


 * 1) Sentence ID: 134

The Telencephalon.


 * 1) Sentence ID: 135

- The telencephalon includes : ( 1 ) the cerebral hemispheres with cerebral hemispheres 's cavities. - The telencephalon includes : ( 1 ) the cerebral hemispheres with the lateral ventricles. - The telencephalon includes : ( 2 ) the pars optica hypothalami. - The telencephalon includes : ( 2 ) the anterior portion of the third ventricle ( already described under the diencephalon ).


 * 1) Sentence ID: 137

As previously stated ( see page 744 ), each cerebral hemisphere may be divided into three fundamental parts. As previously stated ( see page 744 ), each cerebral hemisphere may be divided into the rhinencephalon. As previously stated ( see page 744 ), each cerebral hemisphere may be divided into the corpus striatum. As previously stated ( see page 744 ), each cerebral hemisphere may be divided into the neopallium.


 * 1) Sentence ID: 138

The rhinencephalon, associated with the sense of smell , is the oldest part of the telencephalon. The rhinencephalon, associated with the sense of smell , forms almost the whole of the hemisphere in some of the lower animals , e. g. , fishes , amphibians , and reptiles.


 * 1) Sentence ID: 139

In man rhinencephalon is rudimentary. In man the neopallium undergoes great development. In man the neopallium forms the chief part of the hemisphere.


 * 1) Sentence ID: 140

The Cerebral Hemispheres.


 * 1) Sentence ID: 141

- The cerebral hemispheres constitute the largest part of the brain. - The cerebral hemispheres when viewed together from above, assume the form of an ovoid mass broader behind than in front , the greatest transverse diameter corresponding with a line connecting the two parietal eminences.


 * 1) Sentence ID: 142

cerebral hemispheres are separated medially by a deep cleft, named the longitudinal cerebral fissure. hemispheres possesses a central cavity. hemispheres possesses the lateral ventricle.


 * 1) Sentence ID: 143

The Longitudinal Cerebral Fissure ( fissura cerebri longitudinalis ; great longitudinal fissure ) contains a sickle-shaped process of dura mater. The Longitudinal Cerebral Fissure ( fissura cerebri longitudinalis ; great longitudinal fissure ) contains the falx cerebri.


 * 1) Sentence ID: 144

It front and behind, Longitudinal Cerebral Fissure extends from the upper to the under surfaces of the hemispheres ; It front and behind, Longitudinal Cerebral Fissure completely separates surfaces of the hemispheres ; surfaces of the hemispheres 's middle portion separates them for only about one-half of their vertical extent ;


 * 1) Sentence ID: 144

for at this part surfaces of the hemispheres are connected across the middle line by a great central white commissure. for at this part surfaces of the hemispheres are connected across the middle line by the corpus callosum.


 * 1) Sentence ID: 145

In a median sagittal section the cut corpus callosum presents the appearance of a broad, arched band.


 * 1) Sentence ID: 146

corpus callosum 's thick posterior end, termed the splenium , overlaps the mid-brain. corpus callosum 's thick posterior end, termed the splenium , is separated from mid-brain by the tela chorioidea of the third ventricle. corpus callosum 's thick posterior end, termed the splenium , is separated from mid-brain by the pineal body.


 * 1) Sentence ID: 147

corpus callosum 's anterior curved end, termed the genu , gradually tapers into a thinner portion , which is continued downward and backward in front of the anterior commissure to join the lamina terminalis. corpus callosum 's anterior curved end, termed the genu , gradually tapers into the rostrum , which is continued downward and backward in front of the anterior commissure to join the lamina terminalis.


 * 1) Sentence ID: 148

Arching backward from immediately behind the anterior commissure to the under surface of the splenium is a second white band named the fornix :


 * 1) Sentence ID: 149

between fornix are the laminæ and cavity of the septum pellucidum. between the corpus callosum are the laminæ and cavity of the septum pellucidum.


 * 1) Sentence ID: 150

Surfaces of the Cerebral Hemispheres.