Mene ne wani tsoka mai amsa sigina? Nau'in da manufar rabe

A labarin ya bayyana cewa, irin rabe, da abin da suka bauta wa namiji, da kuma, musamman, jigo na tsoka mai amsa sigina antagonists.

ilmin halitta

Rayuwa a duniya tamu akwai kusan biliyan 4 shekaru. A wannan m ga mutum ji na rayuwa a kan shi aka maye gurbinsu da yawa jinsunan, kuma tabbas wannan tsari zai ci gaba har abada. Amma lokacin da kyan gani, daga kimiyya ra'ayi na wani nazarin halittu kwayoyin, sa'an nan da tsarin, jituwar har ma da sosai zama na ban mamaki, kuma shi shafi ko mafi asali siffofin. Kuma game da jikin mutum, kuma ka ce kome! Duk wani yanki na da ilmin halitta ne na musamman da kuma ban sha'awa.

Mun la'akari a cikin wannan takarda cewa, irin rabe, me ya sa suke bukatar da abin da ya faru. A yin haka, za mu yi kokarin fahimtar matsayin cikakken matsayin yiwu.

sakamako

Bisa ga kundin sani, da tsoka mai amsa sigina - wata kungiya daga cikin endings na jijiya zaruruwa a wasu neurons tare da daban-daban da kuma ji na ƙwarai musamman samuwar na intercellular abu da kuma musamman Kwayoyin rayuwa nama. Tare da suke aikata wa kunna rinjayar dalilai na daban-daban iri, wanda sukan kira a matsayin samuwar kasashe, musamman jijiya turu. Yanzu mun san cewa wannan tsoka mai amsa sigina.

Wasu iri mutum rabe gane da bayanai da kuma daukan hotuna ta musamman sel epithelial asalin. Bugu da kari, a cikin tarbiyyar da bayanai game da samuwar kasashe suna da hannu ma modified jijiya Kwayoyin, amma bambancin da ke tsakanin su shi ne cewa su samar da jijiyar iya ba da kansu ba, amma kawai aiki a kan innervate karshen. By dandano buds (suke located a cikin epithelium na harshe surface) misali haka aiki. Su mataki dogara ne a kan chemoreceptors ne da alhakin ji da kuma lura da daukan hotuna zuwa sinadaran ko maras tabbas abubuwa.

Yanzu mun san abin da dandano buds da kuma yadda suke aiki.

ganawa

Kawai sa, da rabe ne da alhakin aiki na kusan duk hankula. Kuma baya ga mafi bayyane, kamar gani, ko ji, su taimaka mutum ya ji da sauran mamaki: matsa lamba, zazzabi, zafi da sauransu. Saboda haka mun tattauna tambaya na abin da rabe. Amma dubi su a mafi daki-daki.

Samuwar kasashe cewa kunna wasu rabe iya bauta sosai daban-daban effects da kuma ayyuka, misali na inji kaddarorin da nakasawa (raunuka da kuma cuts), m sunadarai, kuma ko da wutar lantarki ko Magnetic filin! Duk da haka, abin da rabe ne da alhakin ji daga baya, duk da haka ba daidai m. Mun dai san cewa akwai gaske ne irin wannan, amma ci gaba a duk hanyoyi daban-daban.

iri

Sun kasu kashi daban bisa ga wuri a cikin jiki da kuma kara kuzari, ta hanyar abin da muka samu da sakonni a cikin jijiya endings. La'akari da ƙarin bayani a tsoka mai amsa sigina rarrabuwa da isasshen kara kuzari:

• Chemoreceptors - suna da alhakin da dandano da ƙanshi na aikin dogara ne a kan tasirin maras tabbas, kuma wasu sunadarai.
• Osmoreceptors - da hannu a kayyade da canji a cikin osmotic ruwa, watau don ƙara ko rage .. osmotic matsa lamba (wannan irin da daidaituwa tsakanin kwayuka da extracellular ruwaye).
• Mechanoreceptors - sami sakonni dangane da jiki sakamakon.
• Photoreceptors - godiya a gare su, idanun mu dauki bayyane haske bakan.
• Thermoreceptors - suna da alhakin ji na zazzabi.
• Nociceptors.

Mene ne tsoka mai amsa sigina antagonists?

Kawai sa, shi ne wadanda abubuwa wanda zai iya daura to rabe, amma ba su canja ci gaba. A agonist, a maimakon haka, ba kawai ta ɗaure amma kuma rayayye musababin da tsoka mai amsa sigina. Alal misali, karshen hada da wasu kwayoyi amfani ga maganin sa barci. Su suna hana ji na ƙwarai daga tsoka mai amsa sigina. Idan aka kira su m, da kuma mataki na bai cika ba.