Iri tsoka tsokoki da su siffofin

A wannan labarin, za mu duba a iri tsoka nama. Wannan ne mai matukar muhimmanci topic a ilmin halitta, domin kowa da kowa bukatar ya san yadda za a yi aiki da mu tsokoki. Suna wakiltar wani hadadden tsarin, da nazarin da, muna fata za ku yi sha'awar. Kuma don taimaka mafi ganin iri tsoka nama images cewa za ka sami wannan labarin. Da farko, mun ba da definition, wanda wajibi ne a cikin nazari da topic.

Muscle nama - musamman kungiyar na mutum tsokoki da kuma dabbobi, da babban aiki na wanda shi ne ta rage abin da ya sa motsi na jiki ko na sassanta a sarari. Wannan aiki yayi dace da tsarin da babban abubuwa da cewa yin up daban daban iri tsoka kyallen takarda. Wadannan abubuwa da a tsaye fuskantarwa da wani elongated myofibrils, hada a membobinsu da contractile sunadaran - myosin da actin. Muscle nama kamar yadda epithelial nama ne tawagar kungiyar kamar yadda ta main abubuwa suna ci gaba daga amfrayo kafofin.

Akan rage tsoka nama

Its Kwayoyin, kazalika da jijiya, a ƙarƙashin rinjayar lantarki da kuma sinadaran hatsaisai iya zama m. Su ikon yi mu'ãmalar (rage) a mayar da martani ga wani musamman kara kuzari da ake dangantawa da gaban myofibrillar gina jiki musamman Tsarin, kowanne daga abin da aka hada da microfilaments na gajeren gina jiki zaruruwa. Bi da bi, su kasu kashi myosin (thicker) da kuma actin (bakin ciki) zaruruwa. A mayar da martani ga jijiya ruri rage daban-daban iri tsoka nama. Cut da tsoka ne daukar kwayar cutar tare da jijiya Scion ta neurotransmitter, wanda shi ne acetylcholine. Muscle Kwayoyin a cikin jiki hannu ikon ceton siffofin da aka kashe a rage daban-daban tsokoki sa'an nan makamashi da aka saki a matsayin zafi. Wannan shi ne dalilin da ya sa, lokacin da jiki fallasa su sanyaya, tanã kai kãwo faruwa. Yana ba da sauran, kamar yadda m tsoka ƙanƙancewa.

Zaka iya zaɓar da wadannan iri tsoka nama, dangane da abin da irin tsarin da aka da contractile na'ura: santsi da kuma striated. Sun kunshi histogenetic iri bambanta a cikin tsarin.

Striated tsoka nama

Myotomes Kwayoyin, wanda ake kafa daga dorsal mesodam, su ne tushen ta ci gaba. Wannan tsoka da aka hada da elongated tsoka zaruruwa cewa suna da wani nau'i na cylinders, iyakar abin da aka nuna. 12 cm a tsawon kuma 80 microns a diamita cimma wadannan tsarin. Symplasts (Multi-core ilimi) suna kunshe ne a cikin cibiyar da tsoka zaruruwa. Waje su m Kwayoyin da ake kira "myosatellite cell." Sarcolemma iyakance fiber. An kafa plasmolemma symplast kuma ginshiki membrane. Karkashin muhimmi membrane zaruruwa aka shirya miosatelliototsity - don haka da cewa su damuwa plasmolemma symplast cytolemma. Wadannan Kwayoyin suna da kwarangwal tsoka ajiye cambium nama, da kuma cewa shi ne da za'ayi a kudi na farfadowa zaruruwa. Myosymplasts fãce plasmolemma hada ma sarcoplasm (cytoplasm) da kuma shirya circumferentially yawa nuclei.

Ma'ana na striated tsoka nama

Describing iri tsoka nama, ya kamata a lura da cewa zartarwa na'urar da aka striated duka motor tsarin. Yana Forms kwarangwal tsokoki. Haka kuma, irin wannan masana'anta shi ne wani ɓangare daga cikin kayan ciki kamar da pharynx, da harshenka, zuciya, babba esophagus da sauransu. A total taro ne a cikin balagaggu mutum ne har zuwa 40% by nauyi, da kuma tsofaffi, da kuma jarirai, shi share - 20-30%.

Features na striated tsoka nama

A rage irin wannan tsoka nama, yawanci za a iya sanya tare da sa hannu na sani. Yana yana da dan kadan mafi girma gudun a kwatanta da santsi. Kamar yadda ka gani, da iri tsoka nama ne daban-daban (a kan m, za mu yi magana da ewa ba, kuma mun lura wasu daga cikin sauran bambance-bambance tsakanin biyu). A striated tsoka jijiyoyi gane da halin yanzu matsayi na tsoka nama, sa'an nan kuma wuce da shi ta hanyar da afferent zaruruwa na jijiya cibiyoyin, alhakin da tsari na mota tsarin. Control tsoka aiki sakonni ana kawota daga mai kula a cikin nau'i na jijiyar ko ta hanyar autonomic efferent motor jijiya zaruruwa.

Smooth tsoka nama

Ci gaba da bayyana iri mutum tsoka nama, ci gaba da santsi. An kafa dogara sanda-dimbin yawa Kwayoyin, da tsawon wanda yake shi ne 15 zuwa 500 microns, da diamita ne a cikin kewayon 2 zuwa 10 microns. Ba kamar striated tsoka zaruruwa, wadannan Kwayoyin suna da daya tsakiya. Bugu da kari, ba su da giciye-striations.

Meaning of m tsoka nama

Daga cikin contractile aiki na da irin wannan tsoka nama dogara a kan aiki na duk tsarin na jiki, saboda yana da wani ɓangare na kowane daga cikinsu. Alal misali, m tsoka nama a gudanar da airway diamita, jini, igiyar ciki contractions, urinary mafitsara, a aiwatar mu motor ayyuka na narkewa kamar fili. Yana iko da diamita na daliba idanu, da kuma taka rawa a cikin wani iri-iri da sauran ayyuka na daban-daban jiki tsarin.

tsoka yadudduka

Muscle yadudduka kafa wannan irin nama a cikin ganuwar Lymph da jini, da kuma duk m gabobin. Yawancin lokaci yana da biyu ko uku yadudduka. M madauwari - m Layer ba dole ba ne ya nufin akwai wani bakin ciki tsaye - ciki. Ciyar da tsoka jini, jijiyoyi da tsoka Kwayoyin mika layi daya da axis tsakanin su bim. Smooth tsoka Kwayoyin za a iya raba 2 iri: unitary (hadedde harhada) da kuma m myocytes.

m myocytes

Standalone aiki quite da kansa na juna, kamar yadda aka innervated da jijiya kawo karshen kowane irin cell. Su da aka samu a cikin tsoka yadudduka da manyan jini, kamar yadda da kyau kamar yadda a cikin ciliary tsoka daga cikin ido. Koma zuwa irin wannan Kwayoyin cewa yin up tsokoki, da dagawa da gashi.

unitary myocytes

Unitary tsoka Kwayoyin, da bambanci, suna a hankali lauye da juna, don su membranes ba zai iya kawai kafa uku tam ga juna ta samar da desmosomes, amma kuma ci kafa Nexus (rata mararraba). Tufts aka kafa a sakamakon ƙungiyar. Su diamita ne game da 100 microns da tsawon shi ne da dama mm. Sai suka samar da wani cibiyar sadarwa, da kuma ta Kwayoyin suna saka collagen zaruruwa. Zaruruwa autonomic neurons ake innervated da katakanta da su ne aikin raka'a na m tsoka nama. Depolarization a lokacin zumudi katako na daya cell yada hanzari zuwa kasar a matsayin kadan juriya rata mararraba. Kunsha da unitary sel da nama ne, a mafi yawan gabobin. Wannan ya hada da ureters, mahaifa, narkewa kamar fili.

rage myocytes

A raguwa a santsi tsoka cell nama sa a matsayin striated, hulda da actin da myosin filaments. Wannan kama daban-daban iri tsoka nama a cikin mutane. Wadannan strands aka rarraba a cikin mioplazmy kasa ma'ana fiye da a striated tsoka. Wannan bayyana rashin giciye-striations a cikin m tsoka nama. Kwayuka alli ne karshen actuator iko da hulda da myosin da actin filaments (Ina nufin, raguwa a myocytes). Haka ya shafi cikin striated tsoka. Duk da haka, da cikakken bayani bambanta muhimmanci daga iko inji na karshen.

Faruwa a cikin mafi thicker tsoka nama m vegetative axons Form synapses ba, wanda shi ne halayyar striated nama, thickening da yawa samuwa tare da dukan tsawon, wanda wasa da muhimmancin synapses. Thickening asirce matsakanci cewa diffuses located gaba da myocytes. Tsoka mai amsa sigina kwayoyin samu a farfajiya na myocytes. Tare da su, matsakanci kuma interacts. Ana sa depolarization na myocyte a cikin matsanancin membrane.

Features m tsoka nama

Juyayi tsarin, autonomic ta sashen aka gudanar ba tare da sa hannu na sani aiki santsi tsoka. Mafitsara tsokoki ne kawai togiya. A lura da sakonni ana aiwatar da ko dai kai tsaye ko a kaikaice - ta hanyar da hormonal (sinadaran, humoral) fiddawa.

Makamashi da kuma inji Properties na da irin wannan samar da rike tsoka sautin (sarrafawa) ganuwar m gabobin da kuma tasoshin. Wannan shi ne saboda gaskiyar cewa masana'anta shi ne m aiki yadda ya kamata, shi ba ya bukatar manyan ciyarwarsu daga ATP. Yana yana da ƙananan gudun fiye da na striated tsoka nama, amma shi za a iya rage na tsawon lokaci, a cikin Bugu da kari, zai iya ci gaba da wani gwaji irin ƙarfin lantarki da kuma bambanta a tsawon.

Saboda haka, za mu dubi iri tsoka da nama da kuma peculiarities na tsarin kungiyar. Hakika, wannan ne kawai na asali bayani. Yana iya zama dogon don bayyana iri tsoka nama. Figures zai taimake ka ka ganin su.