University of Rostock

Department of Anatomy

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Rat connectome



Pyramidal tract left


Abbreviation
py
Color       
Superior regionsMain spinal bundle

SynonymsAbbr.Language
Tractus corticospinalis Lat
Corticospinal tract Eng
Cortico spinal tract Eng
Pyramidenbahn Ger
Pyramidal tractpyEng

SubregionsSide
Bulbar pyramidalleft
Dorsal borders of the pyramidal tractleft
Dorsal part of the corticospinal tractleft
Dorsolateral to the pyramidleft
Lateral borders of the pyramidal tractleft
Lateral to the pyramidleft
Pyramidal tract in the ventral ponsleft
Ventral surface of the pyramidal tractleft
Pyramidal tract at the level of the pons and medullaleft

Output to

NameSideAbbr.WeightDetails
Locus coeruleusipsiLC-0.5
Dorsal cochlear nucleusipsiDC1
Nucleus of the solitary tract caudal partipsiSolca-2
Middle part of cuneate nucleusipsiCuM0
Gracile nucleus median partipsiGrm0
Caudate putamenipsiCPu-0.5
Cerebral cortexipsiCEC-0.5
Agranular insular cortex ventral part jaw movement areaipsiAIVjm-2
Forelimb motor cortexipsiFMCx-2
Caudal forelimb motor areaipsiCFMA-2
Lateral part of the granular cortex of forelimb motor regionsipsiLFMCx-2
Jaw movement motor cortexipsiJMCx-2
Primary somatosensory cortex forelimb regionipsiS1FL-2
Spinal cordipsiMES-2
Thoracal segment 1ipsiT1-2
Thoracal segment 2ipsiT2-2
Locus coeruleuscontraLC-0.5

Input from

NameSideAbbr.WeightDetails
Ventrolateral periaqueductal grayipsiVLPAG-2
Red nucleusipsiR-0.5
Spinal trigeminal nucleus caudal part ventral part layer 4ipsiSp5CVL4-2
Spinal trigeminal nucleus caudal part ventral part layer 5ipsiSp5CVL5-2
Spinal trigeminal nucleus caudal part ventral part layer 3ipsiSp5CVL3-2
Spinal trigeminal nucleus caudal part ventral part layer 1ipsiSp5CVL1-2
Spinal trigeminal nucleus caudal part ventral part layer 2ipsiSp5CVL2-2
Rostral ventrolateral medullaipsiRVLM1
Cuneate nucleusipsiCu-2
GracileipsiGra-2
Dorsomedial hypothalamic nucleusipsiDMHy0
Perifornical hypothalamic area [Preoptic anterior region]ipsiPFxPAR0.5
Lateral hypothalamic areaipsiLH-2
Lateral hypothalamic area dorsal partipsiLHd1
Lateral hypothalamic area ventral partipsiLHAvp0
Dorsomedial hypothalamic nucleus [Medial zone]ipsiDM0
Periventricular zoneipsiPVZ0
Medial part of the caudal perifornical areaipsiPeFCM0
Lateral part of the caudal perifornical areaipsiPeFCL0.5
Parafascicular thalamic nucleus prerubral partipsiPFPR-2
Pretectal regionipsiPRT-2
Cerebral cortexipsiCEC-0.5
Retrosplenial agranular cortex layer 5ipsiRSAL50
Area 29d layer 5ipsiA29dL50
Retrosplenial granular cortex layer 5ipsiRSGL50
Cingulate cortex layer 5ipsiCgL50
Parietal association cortexipsiPtA-1
Temporal cortexipsiTE-0.5
Deep gray matter of the temporal association cortex 1ipsiTeAdL-2
Ventral temporal association cortexipsiTev-2
Primary auditory cortexipsiAu1-2
Primary auditory cortex layer 5ipsiAu1L50
Secondary auditory cortex layer 5ipsiAu2L50
Agranular insular cortexipsiAI-2
Middle part of the caudal one-third of the dysgranular insular cortexipsiDIvCotMi-2
Caudal part of the caudal one-third of the dysgranular insular cortexipsiDIvCotC-2
Rostral two-thirds of the dysgranular insular cortexipsiRDIrtt-2
Caudal part of the caudal one-third of the granular insular cortexipsiGICotC-2
Middle part of the caudal one-third of the granular insular cortexipsiGICotM-2
Rostral two-thirds of the granular insular cortexipsiRttGI-2
Dorsal granular insular cortexipsiDGI-2
Insular cortex caudal partipsiICXca-2
Somatomotoric regionsipsiSMR-2
Motoric regionsipsiM-0.5
Forelimb motor cortexipsiFMCx-2
Caudal forelimb motor areaipsiCFMA-2
Lateral part of the granular cortex of forelimb motor regionsipsiLFMCx-2
Hindlimb motor cortex layer 5ipsiHMCxL51
Lateral agranular prefrontal cortex layer 5ipsiAGlL51
Jaw movement motor cortexipsiJMCx-2
Central part of jaw motor areaipsiCJMCx1
Whisker motor cortex subfieldsipsiWMCxS-2
Medial prefrontal cortex layer 5ipsimPFCL5-2
Medial prefrontal cortex layer 6ipsimPFCL6-2
Medial agranular prefrontal cortex layer 5ipsiAGmL51
Medial agranular prefrontal cortex rostral part layer 5ipsirAGmL5-2
Sensory regionsipsiSR-0.5
Primary somatosensory cortexipsiS1-2
Primary somatosensory cortex layer 5ipsiS1L51
Primary somatosensory cortex rostral most partipsiS1rm-2
Central dysgranular zone between E4 whisker and forelimb barrel field layers 5ipsiS1BFcdysL5-2
Central dysgranular zone between E4 whisker and forelimb barrel field layers 6ipsiS1BFcdysL6-2
Posterior dygranular zone between whisker and trunk representation layer 5ipsiS1pdyL5-2
Posterior dygranular zone between whisker and trunk representation layer 6ipsiS1pdyL6-2
Secondary somatosensory cortex layer 5ipsiS2L51
Somatomotoric regions layer 5ipsiSMRL5-2
Visual regionsipsiVR0
Primary visual cortexipsiV10
Extreme rostral part of the occipital cortexipsiV1Rerp-1
Secondary visual cortex medial area layer 5ipsiV2ML50.5
Secondary visual cortex lateral area layer 5ipsiV2LL50
Rostral ventrolateral medullacontraRVLM1
Cuneate nucleuscontraCu-2
Dorsomedial hypothalamic nucleuscontraDMHy0
Perifornical hypothalamic area [Preoptic anterior region]contraPFxPAR-0.5
Lateral hypothalamic area dorsal partcontraLHd-0.5
Lateral hypothalamic area ventral partcontraLHAvp0
Dorsomedial hypothalamic nucleus [Medial zone]contraDM0
Periventricular zonecontraPVZ0
Medial part of the caudal perifornical areacontraPeFCM0
Lateral part of the caudal perifornical areacontraPeFCL-0.5
Somatomotoric regionscontraSMR-2
Hindlimb motor cortexcontraHMCx-2
Lateral agranular prefrontal cortex layer 5contraAGlL5-2
Rostrolateral part of the lateral agranular prefrontal cortexcontraAGlRL-2
Rostromedial border of the lateral agranular prefrontal cortexcontraAGlrm-2
Sensory regionscontraSR-2
Primary somatosensory cortex caudolateral partcontraS1CL-2
Primary somatosensory cortex caudomedial partcontraS1CM-2
Primary somatosensory cortex central partcontraS1Ce-2
Medial part of the somatosensory cortexcontraSRme-2
Iliac segment of sciatic nerveipsisciiL-2
Iliac segment of sciatic nervecontrasciiL-2

Key for weights

ValueWeight
-3 unknown
-2 fibers of passage
-1 not clear
-0.5 exists
0 not present
0.5 very light
1 light / sparse
1.5 light / moderate
2 moderate / dense
2.5 moderate / strong
3 strong
4 very strong





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