Mene ne kwayoyin halitta

Nauyin juyayi (HT) an dauke su matsayin tsari ne na tsarin mai juyayi wanda ya samo asali ne daga kwakwalwa kuma yana ƙarewa tare da ƙarewa. Idan muka yi la'akari da tsarin da jijiya nama, zai iya yiwuwa a lura da cewa, shi kunshi jijiya Kwayoyin kira neurons hade m sel (neiroglii), kuma daga zaruruwa da endings a shi ma ya hada da jini da kuma connective nama.

Gwamnatin daga ectoderm, NT Forms da tsakiyar m tsarin. A ciki, an tattara kwayoyin zuwa kungiyoyi, don haka abu mai launin toka ya bayyana, yayin da fibobi ke tattarawa a fursunoni, suna samar da wani fataccen fata.

Nau'in juyayi yana da halin motsawa da rashin jin daɗi. Sabili da haka, matsalolin shiga cikin kwayoyin suna canzawa zuwa kwakwalwa da aka ba gabobin da suka dace, kyallen takarda ko tsokoki. Kwayoyin HT suna sarrafawa da ajiye bayanai kuma zasu iya dawo da shi daga ƙwaƙwalwar ajiya idan ya cancanta.

Hanyar neuron ta ƙunshi tsakiya da kuma kewaye da cytoplasm (pericarion), inda mitochondria, ribosomes, Golgi, abubuwa Nissl da sauransu sun kasance. Daga gare ta bar tafiyar matakai, wanda nau'i biyu suke wakilta.

1. Dendrides - a kan su an motsa motsi zuwa jiki na tantanin halitta. Suna da tsawon 0.2 μm.

2. Neuritis (axon) - a kan shi ana daukar kwayar cutar daga jiki na tantanin halitta. Ya ƙare tare da rassan, haɗawa tare da wasu ƙananan ƙwayoyin ko yadudduka na gabobin.

Ya kamata a lura da cewa jijiya Kwayoyin iya gudanar da hasken dake fitowa tsananin a daya shugabanci.

Nau'in juyayi yana da nau'o'in nau'o'in jijiya:

1. Afferent - samar da hanzari.

2. Efektornye - sabobin jiki don aiki. Wannan ya haɗa da sabbin motocin motoci da ƙwayoyin neurosecretory (da suka shiga cikin tsari na farfadowa).

3. Saduwa - samar da haɗin kai tsakanin sassan jiki.

Nama jigilar kayan aiki ne hanyoyin tafiyar da kayan aiki da ke kewaye da lemocytes. Su ne bezmielinovye da myelin. Dangane da tsarin su, sun kasance ɓangare na tsarin wani sashe na tsarin kulawa.

Jijiya zaruruwa karbi musamman na'urorin, kira jijiya endings tare da su da alaka via fiber yadudduka da daban-daban abubuwa. Ƙarshen abubuwa biyu ne: affectors da synapses. Aikin farko na motsa jiki daga masana'anta zuwa fiber, karshen, akasin haka, daga fiber zuwa masana'anta.

Sashin jiki na jiki kuma yana da neuroglia, wato, wani rukuni na sel wanda ke tsakanin layi. Wadannan kwayoyin suna yin irin waɗannan ayyuka kamar yadda kariya, sirri, kwance, goyon baya da kwararru. Suna shiga cikin gudanar da motsa jiki ta hanyar jigilar kayayyaki a lokacin sabuntawar su da kuma ciwo.

Sabili da haka, la'akari da ayyuka na jiki mai tausayi, zamu iya gane irin wadannan abubuwa: samar da halayen siginonin lantarki, shigarwa da ajiya a ƙwaƙwalwar ajiyar wasu bayanai, sa hannu a cikin halayyar hali, tunani da motsin zuciyarmu.

Saboda haka, HT ne sosai na musamman irin masana'anta, kunsha na Kwayoyin, zaruruwa endings da glia. Sel suna da dukiya na gane abubuwan da suka faru, da kasancewa da farin ciki, samar da wasu hanyoyi, sa'an nan kuma aika su. Saboda haka, nau'in yana shiga cikin haɗin kai, daidaitawa, daidaitawa ga dukkan kwayoyin halitta, tsarin da kayan jikin mutum.

Ya kamata a lura cewa lokacin da tsoran nama yana da cututtuka, dukkanin abubuwan da suke gina jikinsa suna shan wahala. A wannan yanayin, akwai iya zama pathological tafiyar matakai, msl, da ciwon kumburi, da ƙari ko wasu illoli da cewa zai iya shafar juyayi tsarin. Canje-canje ko asarar abubuwa a cikin NT suna karbanta ta hanyar haɓakawa na haɗin kai ko ci gaba da cysts.

Ya kamata a lura da cewa tsarin jin dadi gaba ɗaya yana kunshe da nama mai tausayi, godiya ga duk abinda ake gudanarwa a jikin mutum.