I-Science Behind Pain.
Nangona ama-nociceptors ngamanye amaxesha abizwa ngokuthi "iimvumba zentlungu", akusiyo ichani elichanekileyo. Nangona kunjalo, badlala indima ebalulekileyo kwi indlela ovakalelwa ngayo kwaye usabele njani entlungu. Ukuqonda umahluko phakathi kwama-nociceptors kunye nentlungu kubalulekile ekuqondeni ukuba ingqondo isebenza njani ekusebenziseni iimvakalelo.
Kukho amawaka eendlela onokuva ngayo intlungu. Ukususela ekugqibeleni inzwane yakho ukuzinqumla ngexesha lokucoca imifuno, iindidi ezahlukeneyo zentlungu ziyinxalenye yamava omntu.
Kungakhathaliseki ukuba intlungu ibangelwa njani, bonke babelana ngeendlela ezifanayo kwindlela uvakalelwa ngayo kwaye isasazwa ngayo.
Ama-Nociceptors: Ubunzima bokuthumela
Ukuba uguqa idolo lakho etafile okanye uzitshise, intlungu idla ngokukhawuleza. La matyala ayaziwa ngokuthi "acute", okanye entsha, intlungu. Intlungu eqaqambileyo iqala ukusuka kwi-nociception, indlela ye-nervous system yokubona umonakalo emzimbeni. Ama-nociceptors aphelelwe zizibilini, okanye i-reception receptors, ekhona kuwo wonke umzimba. Banoxanduva lokuvavanya umonakalo emzimbeni xa ufumana iintlungu.
Ukuba unamathela kwizwane zakho, ama-nociceptors acacisiwe ngokukhawuleza.Bathumela isalathisi kwingqondo, ehamba ngeentsimbi zomhlaba ukuya kumgca wesipelini. Ngethuba lokudlulisa, iimpawu zee-nociceptors ziqhutyelwa rhoqo, kunye nengqondo ibe neyona mpe mbelelo enkulu kwindlela ova ngayo intlungu.
I-nociceptors isebenza njengama-alamu emzimbeni, ekwazisa ukuba kukho into eyenzekayo kufuneka usebenze kuyo kwaye yenziwa kuphela xa iqhutywe ngumcimbi.
Ama-Nociceptors ahlulwe ngamacandelo amathathu:
- Iikhemikhali: Amakhemikhali asebenzisisa i-nociceptors, njengokuba xa unqunywe ukhulelwe. Ukulwa nentsholongwane, loo ndawo iya kutshiswa; Umzimba wakho uzisa igazi kunye neekhemikhali kwiindawo ekuncedeni ukulungisa umonakalo. Amakhemikhali asebenze i-nociceptors kwaye avelise intlungu. Yingakho emva kokulimala okanye ukulimala, nokuba uchukumise kakuhle okanye ukunyakaza okuncinci kunokuba buhlungu.
- Ukushisa : Ukushisa kukubangela abaqhelekileyo bee-nociceptors. Ukuba uchukumisa isitofu eshushu, ama-nociceptors asayine intlungu ayasebenza ngokukhawuleza, ngamanye amaxesha ngaphambi kokuba uqaphele oko ukwenzile.
- Umatshini: Uxinzelelo lwengqondo lubhekisela kunoma yini ephazamisa okanye elula ukunyakaza, njengokuba uthabatha isithintelo okanye utyunye i-tendon. Iigamente zolulelwe ngaphaya kwamandla abo, zivuselela i-nociceptors kwaye zithumela iimpawu zentlungu ebuchosheni.
Intlungu ye-Nociceptor ngumsebenzi oqhelekileyo kwaye uziphatha ngendlela eqikelelweyo. Unokwazi ukubona imbangela yentlungu, njengenyawo elibi emva kokunyuka kwinto ethile, kwaye uluhlu luwela kuyo. Nangona kunjalo, akuyiyo yonke intlungu ewela kwisigaba se-nociceptor. Ukulimala ngaphandle kwesizathu esicacileyo, njengesiphumo sesifo sangaphakathi, akwenzi nto ivuselela i-nociceptors.
I-Nociceptors isebenza ukuze bakuqaphele ingozi; Kwezinye iimeko, akuchanekanga. Ngoxa i-toe stubbed ingabangela ubuhlungu ngokukhawuleza, kungekudala ayizange ibangele umonakalo ohlala njalo. Kodwa kwimeko yokutshiswa, i-nociceptors isebenze ukukwazisa umonakalo kwiimbilini.
Uninzi lwamachiza eentlungu, njengama- opioids , usebenza ngokuthintela imichiza eyanciphisa intlungu yakho. Yiyo indlela impendulo entlungu elawulwa ngayo kwaye kutheni isebenza kuphela kwezinye iimeko; Intlungu ingabonakaliswa ngenye i-receptors, kungekhona nje i-nociceptors, ukuze ukwazi ukuziva intlungu ngaphandle kokuvula i-nociceptors.
Imithombo:
I-Dubin, A., i-Patapoutian, A. "I-Nociceptors: i-Sensors of Pain Way". Umbhalo woPhando lwezonyango , 3760-3772, 2010.
Fein, A. "i-Nociceptors kunye nePerception of Pain". Iziko lezeMpilo kwiYunivesithi yaseConnecticut, ngo-