तन्त्रिका तन्त्र

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(aangrezi:Nervous System) is lekh mean manav sharir se sanbandhit ullekh hai. tantrik tantr sharir ka ek mahattvapoorn tantr ya sansthan hai, jo sampoorn sharir ki tatha usake vibhinn bhagoan evan aangoan ki samast kriyaoan ka niyantran, niyam tatha samanvayan karata hai aur samasthiti banaye rakhata hai. sharir ke sabhi aichchhik evan anaichchhik karyoan par niyantran tatha samast sanvedanaoan ko grahan kar mastishk mean pahuanchana isi tantr ka kary hai. yah sharir ke samast aangoan ke aantarik evan bahm vatavaran ke parivartanoan ke anusar drut samanjan sanbhav banata hai tatha tantrika avegoan ka sanvahan karata hai.

tantrika tantr sharir ki aansakhy koshikaoan ki kriyaoan mean ek prakar ka samanjasy utpann karata hai taki sampoorn sharir ek ikaee ke roop mean kary kar sake. sanvedi tantrikaoan dvara sharir ke andar evan bahar vatavaranagat parivartan ya uddipan tantrika tantr ke sushumna ya spainal k aaud tatha masttishk mean pahuanchate haian. jahaan par unaka vishleshan hota hai aur anukriya mean prerak pantrikaoan dvara sharir ki vibhinn kriyayean sanpadit hoti haian.

tantrika tantr tantrika ootakoan se bana hota hai, jinamean tantrika koshikaoan ya nyoor aauns aur inase sambandhit tantrika tantuoan tatha ek vishesh prakar ke sanyoji ootak jise 'nyoorogliya' kahate haian, ka samavesh hota hai.

tantrika tantr ka vargikaran

manushy mean tantrika tantr ke tin bhag hote haian-

1. kendriy tantrika tantr
2. paridhiy tantrika tantr
3. svayatt tantrika tantr

kendriy tantrika tantr

sabhi kasheruki jantuoan mean kendriy tantrika tantr prishthiy tatha nalikakar hota hai. kendriy tantrika tantr ke do bhag hote haian-

1. mastishk
2. meru rajju

manav mastishk

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prani jagath mean manushy ka mastishk sarvadhik vikasit hota hai. vayask manushy mean isaka bhar lagabhag 1350 se 1400 gram hota hai. yah khop di ki kapalaguha mean surakshit rahata hai. kapal guha ka ayatan 1200 se 1500 ghan seantimitar hota hai. mastishk ke charoan or do jhilliyaan paee jati haian. bahari jhilli ko dridhatanika aur bhitari jhilli ko mridutanika kahate haian. donoan jhilliyoan ke madhy pramastishk merudravy bhara rahata hai. yah mastishk ki chot, jhatakoan adi se raksha karata hai. mastishk ka nirman tantrika koshikaoan tatha nyoorogliyal koshikaoan ke dvara hota hai.

merurajju

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mastishk ka pichhala bhag lamba hokar khop di ke pashch chhor par upasthit maharandh se nikalakar ridh ki haddi tak phaila rahata hai. ise merurajju ya sushumna kahate haian. yah kasherukaoan ke madhy upasthit tantrikiy nal mean surakshit rahata hai. yah mastishke ke saman dridhatanika tatha mridutanika se ghira rahata hai. merurajju ke madhy bhag mean ek sankari kendriy nal hoti hai. kendriy nal ke charoan or merurajju ki moti divar mean do star hote haian.

paridhiy tantrika tantr

mastishk, merurajju se nikalane vali tantrikaean paridhiy tantrika tantr banati haian. is tantr mean do prakar ki tantrikaean ati haian-

kapaliy tantrikaean

kapaliy tantrikaean paridhiy ke vibhinn bhagoan se ju di rahati haian. in tantrikaoan ka sambandh jnanendriyoan, sir, gardan tatha any mahattvapoorn rachanaoan se hoti hai. manushy mean 12 kapaliy tantrikaean paee jati haian. ye tantrikaean jnanendriyoan ko mastishk se jo dati haian aur sanvedanaoan ko mastishk mean pahuanchati haian.

ridh tantrikaean

manushy mean 31 jo di ridh tantrikaean paee jati haian. ye mishrit prakar ki hoti haian. pratyek ridh tantrika merurajju ke do mooloan adhar mool tatha prishthamool se nikalati haian. ye mool, dhasar dravy ke shrangoan se nikalakar kashorukaoan ke bich mean se hokar apas mean ju d jati haian. inamean prishthamool sanvedi tatha adhar mool prerak hote haian. prishth mool ke oopar ek guchchhika hoti hai. inamean sanvedi tantuoan ki koshikaean hoti haian. prishth tatha adhar mooloan ke paraspar ju dane ke pashchath punah tin shakhaoan mean vibhakt ho jati hai. oopar ki or prishth shakha, niche ki or adhar shakha tatha donoan se sambandhit yoji tantrika hoti hai. prishth shakha sanvedi hoti hai. yah prishth dehabhitti ko jati hai tatha adhar shakha ka sambandh aichchhik peshiyoan se hoti hai. yah kayik prerak hoti hai. yoji tantrika mean antsaang sanvedi tatha antaraang prerak do prakar ke tantrika tantu hote haian.

svayatt tantrika tantr

yah tantr svatantr roop se kary karata hai tatha antim roop se isaka niyantran kendriy tantrika tantr dvara hota hai. svayatt tantrika tantr ka niyaman kendriy tantuoan dvara hota hai jo svayatt tantr ko guchchhakoan mean pravesh kar jate haian. in tantuoan ko poorv guchchhiy tantu kahate haian. svayatt guchchhakoan se nikalane vale tantuoan ko pashch guchchhiy tantu kahate haian. svayatt tantrika tantr do prakar ka hota hai-

• paranukampi tantrika tantr
• anukampi tantrika tantr

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

sanbandhit lekh

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