Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== CORPUS CALLOSUM ====== * CORPUS CALLOSUM * largest commissure of brain * connects cerebral cortex of two cerebral hemispheres * connects all parts of neocortex except lower and anterior parts of temporal lobes * connected by anterior commissure * External Features * floor of longitudinal cerebral fissure * forms an arched interhemispheric bridge * connecting medial surfaces of two cerebral hemispheres * forms roof of lateral ventricles * lies 4cm behind frontal pole * 6cm in front of posterior pole * attachments * concave inferior aspect of corpus callosum * attached to * convex superior aspect of fornix * by septum pellucidum * convex superior aspect covered by indusium griseum * embedded in it are medial and lateral longitudinal striae * anterior cerebral vessels usually lie on its superior aspect * covered on each side by cingulate gyrus * separated by callosal sulcus * parts * rostrum * extends backward and downwards * to join the lamina terminalis * forms floor of anterior horn of lateral ventricle * fibers extend inferiorly to connect * orbital surface of two frontal lobes * genu * thick , curved * anterior extremity * 4cm behind frontal pole * forms * anterior boundary of anterior horn of lateral ventricle * fibers * curve forwards on either side * in to anterior parts of frontal lobe * forming a fork like structure called * forceps minor ( forceps = fork ) * trunk / body (middle part ) * forms the roof of central part of lateral ventricle * connects * frontal * anterior parts of parietal lobe * splenium ( posterior part ) * overhangs * thalamic pulvinar * pineal gland * tectum * inferior to splenium * tela choroidea * great cerebral vein of galen * fibers * connect * posterior part of parietal lobe * temporal and occipital * fork like structure * forceps major * TAPETUM * thin lamina of white fibers * roof and lateral wall of posterior horn | 1102 | | Corpus callosum | Corpus callosum | | | 1103 | | Rostrum | Rostrum | | | 1104 | | Genu | Genu | | | 1105 | | Truncus | Truncus | | | 1106 | | Splenium | Splenium | | | 1107 | | Indusium griseum | Indusium griseum | | | 1108 | | Stria longitudinalis lateralis | Lateral longitudinal stria | | | 1109 | | Stria longitudinalis medialis | Medial longitudinal stria | | | 1110 | | Radiatio corporis callosi | Radiation of corpus callosum | | | 1111 | | Forceps minor; forceps frontalis | Minor forceps; frontal forceps | | | 1112 | | Forceps major; forceps occipitalis | Major forceps; occipital forceps | | | 1113 | | Tapetum | Tapetum | | | 1114 | | Lamina terminalis | Lamina terminalis | | | 1115 | | Organum vasculosum laminae terminalis | Vascular organ of lamina terminalis | | | 1116 | | Commissura anterior | Anterior commissure | | | 1117 | | Pars anterior | Anterior part | | | 1118 | | Pars posterior | Posterior part | | | 1119 | | Fornix | Fornix | | | 1120 | | Columna | Columna | | | 1121 | | Fibrae precommissurales | Precommissural fibres | | | 1122 | | Fibrae postcommissurales | Postcommissural fibres | | | 1123 | | Corpus | Body | | | 1124 | | Crus | Crus | | | 1125 | | Commissura | Commissure | | | 1126 | | Taenia fornicis | Taenia | | | 1127 | | Septum pellucidum | Septum pellucidum | | | 1128 | | Cavum | Cave | | | 1129 | | Lamina | Lamina | | | 1130 | | Nucleus septalis precommissuralis | Precommissural septal nucleus | | | 1131 | | Nuclei septales | Septal nuclei | | | 1132 | | Nucleus septalis dorsalis | Dorsal septal nucleus | | | 1133 | | Nucleus septalis lateralis | Lateral septal nucleus | | | 1134 | | Nucleus septalis medialis | Medial septal nucleus | | | 1135 | | Nucleus septofimbrialis | Septofimbrial nucleus | | | 1136 | | Organum subfornicale | Subfornical organ | | | 1137 | | Nucleus triangularis | Triangular nucleus | | en/corpus_callosum.txt Last modified: 2023/06/23 10:17by 127.0.0.1