Nammude Arogyam April 2018 | Page 49

amWv. \mUotImi§Ä
{][m\ambpw aq¶p
Xc¯nemWv.
akvXnjv¡¯nte¡v
At§m«pw (afferent) AXm
bXv \½psS _mly
Npäp]mSpIfn \n¶pw
e`n¡p¶ hnhc§Ä
akvXnjv¡¯nte¡pw
AhnsS \n¶v Xncn¨v
{]Xn{]hÀ¯n¡m\pÅ
\nÀt±i§Ä Ct§m«pw
(efferent) Ab¡pIbpw,
kzoIcn¡pIbpw BWv
ChbpsS tPmen F¶p
Npcp¡n ]dbmw. Chsb
bYm{Iaw Sensory Neurons
F¶pw Motor Neurons F¶pw
]dbp¶p. H¶v ktµi
§Ä sImïp t]mIp¶p,
asäm¶p \nÀt±i§Ä
sImïp hcp¶p. A§s\
bpw ]dbmw.
aq¶masXmcp Iq«w
\yqtdmWpIÄ \mUo
tImi§Ä X½nÂ
At\ym\yw ktµi§Ä
ssIamdp¶p. Ahsb Inter
neurons F¶pw hnfn¡p¶p.
\mUotImi§Ä
hnhn[ BIrXnbnepsï
¦nepw (DZmlcW¯n\v
Unipolar, Bipolar, Multipolar
A§s\) s]mXpth Ah
bv¡v Hcp t_mUnbpïv,
AXn \n¶pw sNdp
\mcpIÄ t]mse Dendrites
Ifpïv, ]ns¶ \oï
hmep t]msebpÅ Axon
Dïv. Cu {IaoIcW§fn
 NnÃd hyXymk§Ä
Hs¡ hcmw. DZmlcW
¯n\v hncensâ Aä
¯pÅ Nne \yqtdmWp
IfpsS hmen\v ssIbpsS
A{X Xs¶ \ofapïm
hmw. F¶m akvXnjv¡
¯nse Nne \yqtdmWp
IfpsS hmen\p anÃnaoädp
IÄ am{Xta \ofapïmIq.
Nne Axon IÄ¡v Hcp
IhdnwKv Dïmhpw. Myelin
sheath , CeIv{SnIv
hbdpIfn ImWp¶
C³kpteäÀ t]mse.
Cu MotorNeurons cïp
Xcw Dïv UMN (taÂ\ne )
AXmbXv Uppermotor
neurons- akvXnjv¡¯nÂ
\n¶pw kpjpav\bnte¡p
\nÀt±i§Ä Ab¡p¶h.
adn¨v LMN (Iogv\ne)
AXmbXv Lowermotor neurons
kpjpav\bn \n¶pw
amwkt]inIfnte¡p
\nÀt±iw Ab¡p¶h.
akvXnjvI¯nepw,
kpjpav\bnepw DÅ
\½p-sS B-tcm-Kyw | G{]n 2018 49