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83

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nerve cord (". (

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ventral nerve cord - "
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commissure
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# (ocelli)
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# (labrum) %
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# ventral nerve cord stomodaeal nervous system ' '& #&0
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(esophagus) "
subesophageal ganglion (" ! ! '' %
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circumoesophageal connectives ! ' ' '& #&0
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7
1

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(labium),
(mandible), maxilla, (& (hypopharynx),

67
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2.2) $I visceral (sympathetic) nervous system
#( " 3
##" " &6 stomodeal (stomatogastric) nervous system, ventral visceral nervous

system caudal visceral nervous system ## stomodeal nervous system

+/
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/

#( " ! '' "
frontal ganglion 7 "# ( # ! (

6/
7
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! ! '' "
frontal nerves %
#! ! #

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deutocerebrum ! ' frontal ganglion ' '& #&0
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1
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67
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6 *
frontal ganglion *

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recurrent nerve . (# ( 5 %
# ! '
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6/