en:thalamus

  • THALAMUS
    • situation
      • lies above midbrain
      • one on each side of a slit like cavity called third ventricle
    • shape and size
      • ovoid mass of grey matter
      • 3.5 cm in length , 1.5 cm in breadth
    • External features
      • two ends
        • anterior end
          • narrow
          • constitutes tubercle of thalamus
          • forms posterior boundary of interventricular foramen
        • posterior end
          • expanded called pulvinar
          • overhangs
            • medial and lateral geniculate bodies
            • superior colliculi with their brachia
      • four surfaces
        • superior surface
          • lateral part
            • forms floor of central part of lateral ventricle
          • medial part
            • covered by tela choroidea of 3rd ventricle
        • inferior surface
          • anterior part
            • fused with sub-thalamus
          • posterior part
            • free
            • inferior aspect of pulvinar
        • medial surface
          • greater part of lateral wall of third ventricle
        • lateral surface
          • medial boundary of posterior limb of internal capsule
      • INTERNAL STRUCTURE
        • MAINLY GREY MATTER
          • divided by y shaped internal medullary lamina
            • anterior
              • tubercle
              • lies between limbs of Y
            • medial
              • on medial side of stem of Y
              • large Medial dorsal
              • small medial ventral
            • lateral
              • on lateral side of stem of Y
              • dorsal
                • lateral dorsal
                • lateral posterior
                • large caudal nuclear mass
                  • pulvinar
              • ventral
                • ventral-lateral (ventral intermediate )
                • ventral- anterior
                • ventral - posterior
                  • ventral posterolateral
                  • ventral posteromedial
          • other nuclei
            • intralaminar nuclei
            • midline ( paraventricular nuclei)
            • reticular nucleus
        • WHITE MATTER
          • lateral surface of thalamus
            • thin layer
              • external medullary lamina
          • superior surface
            • stratum zonale
          • inside thalamus
            • internal medullary lamina
798 Epithalamus Epithalamus
799 Commissura habenularum Habenular commissure
800 Tractus habenulointerpeduncularis; fasciculus retroflexus Habenulo-interpeduncular tract; fasciculus retroflexus
801 Nucleus habenularis lateralis Lateral habenular nucleus
802 Nucleus habenularis medialis Medial habenular nucleus
803 Commissura posterior; commissura epithalamica Posterior commissure
804 Area pretectalis Pretectal area
805 Nuclei pretectales Pretectal nuclei
806 Nucleus pretectalis anterior Anterior pretectal nucleus
807 Nucleus tractus optici Nucleus of optic tract
808 Nucleus pretectalis olivaris Olivary pretectal nucleus
809 Nucleus pretectalis posterior Posterior pretectal nucleus
810 Organum subcommissurale Subcommissural organ
811 Thalamus Thalamus
812 Substantia grisea thalami Grey substance of thalamus
813 Nuclei anteriores thalami Anterior nuclei of thalamus
814 Nucleus anterodorsalis Anterodorsal nucleus
815 Nucleus anteromedialis Anteromedial nucleus
816 Nucleus anteroventralis Anteroventral nucleus
817 Nuclei dorsales thalami Dorsal nuclei of thalamus
818 Nucleus dorsalis lateralis Lateral dorsal nucleus
819 Nucleus lateralis posterior Lateral posterior nucleus
820 Nuclei pulvinares Pulvinar nuclei
821 Nucleus pulvinaris anterior Anterior pulvinar nucleus
822 Nucleus pulvinaris inferior Inferior pulvinar nucleus
823 Nucleus pulvinaris lateralis Lateral pulvinar nucleus
824 Nucleus pulvinaris medialis Medial pulvinar nucleus
825 Nuclei intralaminares thalami Intralaminar nuclei of thalamus
826 Nucleus centralis lateralis Central lateral nucleus
827 Nucleus centralis medialis Central medial nucleus
828 Nucleus centromedianus Centromedian nucleus
829 Nucleus paracentralis Paracentral nucleus
830 Nucleus parafascicularis Parafascicular nucleus
831 Nuclei mediales thalami Medial nuclei of thalamus
832 Nucleus mediodorsalis Medial dorsal nucleus; dorsomedial nucleus
833 Pars parvocellularis lateralis Lateral nucleus; parvocellular nucleus
834 Pars magnocellularis medialis Medial nucleus; magnocellular nucleus
835 Pars paralaminaris Paralaminar part; pars laminaris
836 Nucleus medioventralis Medial ventral nucleus
837 Nuclei mediani thalami Median nuclei of thalamus
838 Nucleus parataenialis Parataenial nucleus
839 Nuclei paraventriculares thalami Paraventricular nuclei of thalamus
840 Nucleus paraventricularis anterior Anterior paraventricular nucleus
841 Nucleus paraventricularis posterior Posterior paraventricular nucleus
842 Nucleus reuniens Nucleus reuniens
843 Nucleus commissuralis rhomboidalis Rhomboid nucleus
844 Nuclei posteriores thalami Posterior nuclear complex of thalamus
845 Nucleus limitans Nucleus limitans
846 Nucleus posterior Posterior nucleus
847 Nucleus suprageniculatus Suprageniculate nucleus
848 Nucleus reticularis thalami Reticular nucleus of thalamus
849 Nuclei ventrales thalami Ventral nuclei of thalamus
850 Nuclei ventrobasales Ventrobasal complex
851 Nucleus ventralis posterolateralis Ventral posterolateral nucleus
852 Nucleus ventralis posteromedialis Ventral posteromedial nucleus
853 Pars parvocellularis Parvocellular part
854 Nuclei ventrales mediales Ventral medial complex
855 Nucleus basalis ventralis medialis Basal ventral medial nucleus
856 Nucleus principalis ventralis medialis Principal ventral medial nucleus
857 Nucleus submedialis Submedial nucleus
858 Nucleus ventralis posterior inferior Ventral posterior inferior nucleus
859 Nuclei ventrales laterales Ventral lateral complex
860 Nucleus anterior ventrolateralis Anterior ventrolateral nucleus
861 Nucleus posterior ventrolateralis Posterior ventrolateral nucleus
862 Nucleus ventralis anterior Ventral anterior nucleus
863 Pars magnocellularis Magnocellular division
864 Pars principalis Principal division
865 Nucleus ventralis intermedius Ventral intermediate nucleus
866 Nucleus ventralis posterolateralis Ventral posterolateral nucleus
867 Nucleus ventralis posterior internus Ventral posterior internal nucleus
868 Nucleus ventroposterior parvocellularis Ventral posterior parvocellular nucleus
869 Substantia alba thalami White substance of thalamus
870 Lamina medullaris lateralis External medullary lamina
871 Lamina medullaris medialis Internal medullary lamina
872 Radiatio acustica Acoustic radiation
873 Ansa lenticularis Ansa lenticularis
874 Fasciculus lenticularis Lenticular fasciculus
875 Ansa peduncularis Ansa peduncularis
876 Radiatio anterior thalami Anterior radiation of thalamus
877 Brachium colliculi inferioris Brachium of inferior colliculus
878 Brachium colliculi superioris Brachium of superior colliculus
879 Radiatio centralis thalami Central thalamic radiation
880 Radiatio inferior thalami Inferior thalamic radiation
881 Fibrae intrathalamicae Intrathalamic fibres
882 Lemniscus lateralis Lateral lemniscus
883 Fasciculus mammillothalamicus Mammillothalamic fasciculus
884 Lemniscus medialis Medial lemniscus
885 Radiatio optica Gratiolet Optic radiation Gratiolet
886 Fibrae periventriculares Periventricular fibres
887 Radiatio posterior thalami Posterior thalamic radiation
888 Lemniscus spinalis Spinal lemniscus
889 Fasciculus subthalamicus Subthalamic fasciculus
890 Pedunculus cerebellaris superior Superior cerebellar peduncle
891 Fasciculus thalamicus Thalamic fasciculus
892 Lemniscus trigeminalis Trigeminal lemniscus
893 Subthalamus Subthalamus
894 Nucleus subthalamicus corpus Luysi Subthalamic nucleus corpus Luysi
895 Nuclei campi perizonalis [H, H1, H2] Nuclei of perizonal fields [H, H1, H2]
896 Nucleus campi medialis [H] Nucleus of medial field [H]
897 Nucleus campi dorsalis [H1] Nucleus of dorsal field [H1]
898 Nucleus campi ventralis [H2] Nucleus of ventral field [H2]
899 Zona incerta Zona incerta
900 Metathalamus Metathalamus
901 Nucleus dorsalis corporis geniculati lateralis Dorsal lateral geniculate nucleus
902 Stratum koniocellulare Koniocellular layer
903 Strata magnocellularia Magnocellular layers
904 Strata parvocellularia Parvocellular layers
905 Nucleus ventralis corporis geniculati lateralis; nucleus pregeniculatus Ventral lateral geniculate nucleus; pregeniculate nucleus
906 Folium intergeniculatum Intergeniculate leaf
907 Nuclei corporis geniculati medialis Medial geniculate nuclei
908 Nucleus ventralis Ventral principal nucleus
909 Nucleus dorsalis Dorsal nucleus
910 Nucleus medialis magnocellularis Medial magnocellular nucleus
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  • en/thalamus.txt
  • 2023/06/23 06:54
  • brahmantra