updated 2026
TheMCentralMNervousMSystemMisMcomprisedMofMthe:
brainMandMperipheralMnervesM
MspinalMcordMandMperipheralMnervesM
MbrainMandMcranialMnervesM
MbrainMandMspinalMcordM-MAnswerMBrainMandMSpinalMcord
ThisMareaMofMtheMspinalMcordMsuppliesMnervesMtoMtheMshoulderMandMupperMlimbs:
MconusMmedullarisM
McervicalMenlargementM
MlumbarMenlargementM
MsacralMplexusM-MAnswerMcervicalMenlargement
ThisMareaMofMtheMspinalMcordMprovidesMinnervationMtoMstructuresMofMtheMpelvisMandM
lowerMlimbs:
MfilumMterminaleM
McervicalMenlargementM
MpectoralMplexusM
MlumbarMenlargementM-MAnswerMlumbarMenlargement
SpinalMsegmentsMC-3,MC-4,MC-5MareMassociatedMwithMthisMnerve:
MsciaticMnerveM
MphrenicMnerveM
MaxillaryMnerveM
MulnarMnerveM-MAnswerMphrenicMnerve
TheMaverageMadultMbrainMweighsMabout:
M5MpoundsM
M3MpoundsM
M4MpoundsM
, M2MpoundsM-MAnswerM3Mpounds
TheMraisedM"noodle-like"MareasMonMtheMsurfaceMofMtheMcerebrumMare:
MsulciM
MfissuresM
MponsM
MgyriM-MAnswerMgyri
TheseMareMtheMbrain'sMfourMmajorManatomicalMareas:
Mthalamus,Mhypothalamus,Mcerebrum,McerebellumM
Mdiencephalon,Mcerebrum,MreticularMformation,Mthalamus
Mcerebrum,Mcerebellum,MbrainMstem,MdiencephalonM
Mcerebrum,MmedullaMoblongata,Mpons,McerebellumM-
MAnswerMcerebrum,Mcerebellum,MbrainMstemMdiencephalon
TheMcardiovascularMcenterMisMfoundMinMthe:
McerebrumM
MlimbicMsystemM
MmedullaMoblongataM
McerebellumM-MAnswerMmedullaMoblongata
TheMfrontalMlobe:
McontainsMtheMvisualMareaM
MisMonMtheMlateralMsideMofMtheMbrainM
MisMwhereMabstractMthoughtMoccursM
McontainsMtheMsomaticMsensoryMareaM-MAnswerMisMwhereMabstractMthoughtMoccurs
TheMtemporalMlobe:
MisMresponsibleMforMbalanceMandMequilibriumM
McontainsMBroca'sMareaM
McontainsMtheMprimaryMmotorMareaM