Banana synapses da su siffofin

Synapses an qware aikin lambobi, wanda aka shirya tsakanin excitable Kwayoyin. Sun aika da kuma sake fasalin daban-daban sakonni. Synapses bayyana a cikin nau'i na thickenings a iyakar jijiya zaruruwa. Tare da su taimako jijiyar propagate ga maƙwabcinsa Kwayoyin. Babban aiki na synapse ne intercellular watsa daga jijiyar.

Rarrabuwa da kuma taƙaitaccen bayanin

Bisa ga irin hatsaisai da zama na gauraye, da kuma sinadaran lantarki synapses. Chemical gudanar da siginar watsa a daya shugabanci da kuma Yanã shimfiɗa shi, kazalika da depolarize postsynaptic hyperpolarizes ko Sphere. Tare da taimakon sunadarai synapses qara plasticity a sigina, wato, mutum ya inganta ƙwaƙwalwar ajiya da kuma gudun koyo. A lantarki watsa offline synaptic da bata lokaci ba, da kuma siginar da aka za'ayi a biyu kwatance. bugun jini watsa ne m daga alãmõmin presynaptic membrane. Bugu da kari, lantarki synapses ne resistant zuwa low yanayin zafi, kazalika da wasu tasiri daga cikin kantin magani. gauraye irin synapses da daya alama. Su ne a layi daya to lantarki da magunguna, yi sigina.

Mene ne wani lantarki synapse?

Banana synapses - shi ne intercellular samuwar ta hanyar wadda tabbatar watsa daga cikin zumudi bugun jini. Wannan tsari ya auku saboda bayyanar da lantarki tsakanin biyu sassan kira presynaptic da postsynaptic. A juyayi tsarin na kwaro yana da babban adadin lantarki synapses, yayin da a cikin dabbobi masu shayarwa suna kusan a can. Tare da lantarki synapses ne quite na kowa daga cikin mafi girma da dabbobi. A general, su ne a cikin zuciya, hanta, tsokoki, kazalika a epithelium kuma glandular nama. Synaptic kogon a lantarki synapses ne sosai narrower fiye da da sinadaran. An muhimmanci alama na da irin wannan synapse ne da cewa tsakanin xabi'a kuma postsynaptic membranes zama wata gada daga sunadarai na gina jiki.

Muhimmanci lantarki synapses aiki irin

Properties na lantarki synapses ne kamar haka:

• azumi mataki (yawa m aiki a sinadaran irin synapses).
• suma alama effects (summation na m hatsaisai kusan babu).
• m watsa zumudi.
• high ductility.
• canja wurin daya da kuma bangarorin biyu.

Features na tsarin

A tsarin da lantarki turu fara da postsynaptic membrane. Next ne kunkuntar synaptic kogon, wanda ya kunshi mai gangara tubules hada da gina jiki. Bayan da tsaguwa aka located presynaptic membrane. A tsakiyar shi ne mai semicircular synaptic plaque. Oblong synaptic ƙarewa - karshe kashi a cikin tsarin da lantarki synapse. Saboda gaban sunadarai na gina jiki tashoshi tsakanin xabi'a kuma postsynaptic Kwayoyin, inorganic ions da karami kwayoyin ne iya motsawa daga daya cell zuwa wani. Irin wannan synapse yana da matukar low lantarki juriya. A karkashin wadannan yanayi, yanzu amfani da presynaptic postsynaptic Kwayoyin kuma kusan sõmammu.

Specific aikin Properties

A lantarki synapses, akwai wani yawan musamman aikin fasali. Synaptic da bata lokaci ba na kusan babu wani. Turu zo a cikin presynaptic m, sa'an nan aiwatar farawa nan da nan postsynaptic m. A tazara tsakanin wadannan ayyuka da aka rasa. Banana synapses samar watsa tsari kawai - na zumudi. A irin wannan synapse ke rike da hadin duk da cewa saboda da halaye na stereometric kade-kade a daya shugabanci mafi nagarta sosai. Daban-daban dalilai (pharmacological, thermal, da dai sauransu) da kusan babu sakamako a kan synapses na lantarki da irin.

Ta yaya ne tashin hankali a cikin wutan synapses? A tsari matakai

Gudanar da filin (PD) - da babban aikin da daukan lantarki synapse. Ginshikai na wannan tsari ne kama da PDP a synapses a jijiya zaruruwa. Lokacin da zumudi sauya su gudanar ci gaba mataki, wani sokewa na cajin fara presynaptic membrane. A sakamakon haka, da lantarki, wanda rinjayar da postsynaptic membrane, irritating shi, kuma Yanã da shi don samar da PD. Madugu na zumudi a cikin wutar lantarki synapse ne mai hadaddun physiological tsari da ya auku a dama, saukarwa. Presynaptic membrane aikin da canji na lantarki bugun jini da sinadaran, wanda ke samun a postsynaptic farantin sake kõma a cikin wani sakonni.

Wasu lahani a cikin wutar lantarki synapses

Duk da cewa wutar lantarki synapses gudanar da wani fairly sauki aiwatar da zumudi canja wuri, suna da wasu manyan flaws. Kuma zargi da stereotype na ayyuka. Da yiwuwar kai tsaye canja wuri zuwa m Kwayoyin tashin hankali a can. Xabi'a kuma postsynaptic Kwayoyin suna da alaka synapses lantarki type, su ne ko da yaushe a cikin wannan zumudi. braking bayyanar ba zai yiwu ba. A sakamakon duka sama ƙarara a cikin jariri kwakwalwa ne ba mai yawa lantarki synapses, alhãli kuwa a cikin balagaggu ne quite 'yan a cikin akan tantanin ido da ido, da kwakwalwa tushe da kuma tushen da vestibular na'ura.

A irin wannan, amma a cikin nau'i na pathological inji na zumudi ne a sakamakon cututtuka waxanda ake dangantawa da degeneration na axon iyakoki. Saboda haka, da zumudi aiwatar "tsalle" daga daya zuwa wani axon, wanda na iya haifar da ƙarya abin mamaki. Alal misali, bayyanar da abin mamaki na zafi, duk da tsallake na gefe zafi rabe iya faruwa saboda "hops" zumudi.