====== INTERNAL CAPSULE  ======


  * INTERNAL CAPSULE 
    * Compact bundle of projection fibres 
      * between thalamus and 
        * caudate nucleus medially 
        * lentiform nucleus laterally 
      * these fibers
        * fan out rostrally 
          * to form corona radiata 
        * condense caudally  
          * continue as crus cerebri 
        * types 
          * ascending ( corticopetal / sensory )
          * descending ( corticofugal / motor )
    * Blood supply 
      * middle cerebral artery 
      * anterior cerebral artery
        * striate branches 
        * recurrent artery of heubner 
    * shape 
      * V shaped compact structure 
        * concavity directed laterally 
      * parts 
        * Anterior limb 
          * lies between
            * head of caudate nucleus medially 
            * anterior part of lentiform nucleus  
        * posterior limb 
          * lies between thalamus medially  and posterior part of lentiform nucleus
        * genu 
          * bend between anterior and posterior limb
        * retro-lentiform part 
          * lies behind lentiform nucleus 
        * sublentiform part 
          * lies below lentiform nucleus 
      * Constituent fibers 
        * Motor fibers ( corticofugal fibres )
          * corticopontine fibres 
            * largest single group of projection fibers 
            * naming ( named according to lobe from which they arise ) 
              * frontopontine 
                * numerous 
                * pass through anterior limb , genu and posterior limb
              * parietopontine 
                * pass through retrolentiform part 
              * occipitopontine 
                * pass through retrolentiform part 
              * temporopontine 
                * pass through sublentiform part 
            * relay in ipsilateral pontine nuclei
              * from ipsilateral pons to contralateral cerebellum 
          * pyramidal fibers 
            * corticonuclear 
            * corticospinal 
          * extrapyramidal fibers
            * corticorubral
            * corticostriate 
            * corticonigral 
       * corticopetal fibres ( sensory fibers )
          * thalamocortical fibres ( thalamic radiation ) 
            * according to direction 
              * anterior thalamic radiation 
                * connects 
                  * anterior and dorsomedial nuclei of thalamus to frontal lobe 
                * passes through 
                  * anterior limb
              * superior thalamic radiation 
                * connects 
                  * ventral tier of thalamic nuclei with sensory cortex of frontal and parietal lobes
                * through 
                  * anterior limb of internal capsule
              * posterior thalamic radiation 
                * pass through 
                  * retrolentiform part 
                * connects 
                  * lateral geniculate body to primary visual cortex forming optic radiation
              * inferior thalamic radiation 
                * pass through 
                  * sublentiform part 
                * connects 
                  * medial geniculate body with the primary auditory area of temporal lobe 
                    * auditory radiation 




|	1273	|		|	Capsula interna	|	Internal capsule	|		|
|	1274	|		|	Pontes grisei caudatolenticulares	|	Caudolenticular grey bridges; transcapsular grey bridges	|		|
|	1275	|		|	Crus anterius	|	Anterior limb	|		|
|	1276	|		|	Radiatio thalami anterior	|	Anterior thalamic radiation	|		|
|	1277	|		|	Tractus frontopontinus	|	Frontopontine fibres	|		|
|	1278	|		|	Genu capsulae internae	|	Genu of internal capsule	|		|
|	1279	|		|	Fibrae corticonucleares	|	Corticonuclear fibres	|		|
|	1280	|		|	Crus posterius	|	Posterior limb	|		|
|	1281	|		|	Radiatio thalami centralis	|	Central thalamic radiation	|		|
|	1282	|		|	Fibrae corticoreticulares	|	Corticoreticular fibres	|		|
|	1283	|		|	Fibrae corticorubrales	|	Corticorubral fibres	|		|
|	1284	|		|	Fibrae corticospinales	|	Corticospinal fibres	|		|
|	1285	|		|	Fibrae corticothalamicae	|	Corticothalamic fibres	|		|
|	1286	|		|	Fibrae parietopontinae	|	Parietopontine fibres	|		|
|	1287	|		|	Fibrae thalamoparietales	|	Thalamoparietal fibres	|		|
|	1288	|		|	Pars retrolentiformis	|	Retrolentiform limb; retrolenticular limb	|		|
|	1289	|		|	Fibrae occipitopontinae	|	Occipitopontine fibres	|		|
|	1290	|		|	Fibrae occipitotectales	|	Occipitotectal fibres	|		|
|	1291	|		|	Radiatio optica; fibrae geniculocalcarinae	|	Optic radiation; geniculocalcarine fibres	|		|
|	1292	|		|	Radiatio thalamica posterior	|	Posterior thalamic radiation	|		|
|	1293	|		|	Pars sublentiformis	|	Sublentiform limb; sublenticular limb	|		|
|	1294	|		|	Radiatio acustica; fibrae geniculotemporales	|	Acoustic radiation; geniculotemporal fibres	|		|
|	1295	|		|	Fibrae corticotectales	|	Corticotectal fibres	|		|
|	1296	|		|	Radiatio optica [[Gratiolet]]	|	Optic radiation [[Gratiolet]]	|		|
|	1297	|		|	Fibrae temporopontinae	|	Temporopontine fibres	|		|
|	1298	|		|	Fibrae corticothalamicae	|	Corticothalamic fibres	|		|
|	1299	|		|	Corona radiata	|	Corona radiata	|		|
|	1300	|		|	Capsula externa	|	External capsule	|		|
|	1301	|		|	Capsula extrema	|	Extreme capsule	|		|
|	1302	|		|	Commissura anterior	|	Anterior commissure	|		|
|	1303	|		|	Pars anterior	|	Anterior part	|		|
|	1304	|		|	Pars posterior	|	Posterior part	|		|