Kwakwalwa tsarin. pons

Daga cikin dukkan tsarin na tsakiya m tsarin na jiki yana da wani wuri na musamman. Kwakwalwa iko da dukan ayyuka, wanda aka bai wa wani mutum. Godiya ga shi, sanya dangantaka tsakanin aikin gabobin da kuma tsarin. Ba tare da tsari na kwakwalwa mutum ba zai zama mai yiwuwa mahaluži. Godiya ga hadewa aiki na tsakiya m tsarin, muka matsa, magana, tunani da kuma jin da waje samuwar kasashe. Kwakwalwa na da wani hadadden tsarin, kowane na da aka gyara shi ne alhakin da wani takamaiman aiki. Duk da haka, ta yi aiki Tsarin samar da jikin mu ne kawai a tara. Musamman muhimmancin ilimi, 'yan tsakiya m tsarin ne medulla da pons. Sun dauke da asali m cibiyoyin (zuciya da jijiyoyin jini, na numfashi, tari, slozootdelitelny), kazalika da bayar da Yunƙurin zuwa mafi girman jijiyoyi.

A tsarin da kwakwalwa

A tsarin naúrar na tsakiya m tsarin ne a neuron. Yana da wannan cell ne ke da alhakin liyafar, aiki da kuma ajiya na bayanai. Duk da mutum kwakwalwa ne wani tari na neurons kuma su tafiyar matakai - axons da dendrites. Sun tabbatar da cewa sakonni a cikin CNS da kuma mayar da gabobin. Kwakwalwa da aka hada da launin toka da fari al'amarin. A farko hade kansu neurons, na biyu - da axons. Babban Tsarin ne kwakwalwa yammancin duniya (hagu da kuma dama), cerebellum da akwati. Na farko shi ne alhakin mutum hankali, ya memory, tunani, kwatanci. musamman, da cerebellum yana da muhimmanci ga mota daidaituwa, yana taimaka daidai tsaya, tafiya, kai abubuwa. pons located a ƙasa. Shi ne mahada tsakanin medulla da cerebellum.

Pons: sifa da aiki

A gada ne daya daga sassa na na baya. Its tsawon dabam daga 2.4 zuwa 2.6 cm pons yana da wani nauyi na game 7 g Tsarin wadda kafa uku tare da shi, -. Shin oblong da midbrain mai gangara kwarin kunya. Babban aka gyara su ne pons babba da kuma tsakiyar cerebellar peduncles wanda suke babbar tafarkin. Front ne basilar tsagi, dauke da arteries samar da kwakwalwa, da aka located gaba da fita site na trigeminal jijiya. A raya na pons siffofin na sama na rhomboid ramuka a cikin abin da rajista 6 da rabi na 7 na girman jijiyoyi. A saman gada ta'allaka mafi tsakiya (5, 6, 7, 8). A tushe na gada da ake gudanar da saman-saukar hanyar: corticospinal, bulbar da kuma bayar da damar gudanar hanyoyi.

Babban aiki na wannan jiki:

1. Shugaba - bisa ga hanyoyi ne jijiyar da cerebral bawo da laka.
2. Ku taɓa aiki - An bayar da vestibular-cochlear kuma trigeminal jijiya. A cikin nuclei na 8th girman kwanyar jijiya ya auku aiki bayanai game da vestibular ruri.
3. Motor - samar da wani akan rage duk fuska tsokoki. Wannan shi ne saboda da nuclei na trigeminal jijiya. Bugu da kari, ta m part sami bayanai daga mucous membranes na bakin rabe eyeball da kai, kuma da hakora. Wadannan sakonni ana aika a fiber gada a cikin cerebral bawo.
4. Integrative aiki na samar da mahada tsakanin gaba da raya kwakwalwa.
5. Numfashinsa na Brain.

Reticular samuwar gada

Reticular samuwar - a branched sarkar, dake a cikin kwakwalwa, kunsha na jijiya Kwayoyin da nuclei. Samuwa ne a kusan duk CNS tsarin da kuma smoothly motsa daga daya sashen zuwa wani. Pontine reticular samuwar an zubar da tsakanin elongated kuma midbrain. Ta dogon matakai - axons samar da wata farin m da kuma motsa a cikin cerebellum. Bugu da kari, zaruruwa na jijiya Kwayoyin na gada sakonni za a iya canjawa wuri daga shugaban a baya. Bugu da kari, da reticular samuwar watsa sakonni ga cerebral bawo, saboda haka cewa akwai wani tada ko wani mutum mafarki. A kernels suna located a cikin wannan ɓangare na gada, koma zuwa numfashi cibiyar dake a cikin medulla oblongata.

Reflex aiki gada

Da ikon na tsakiya m tsarin amsa waje samuwar kasashe da aka kira wani reflex. An misali ne da ya faru na drooling a gaban abinci, wani marmarin barci tare da sauti soothing music da sauransu. G. kwakwalwar da numfashinsa na iya zama matukar da kuma mika wuyansu. Mutumin farko yakan mallaki a cikin shakka daga rayuwa, ba za su iya juya fita ko gyara dangane da mu sha'awa. A karshen ba zai iya zama sani, suna saka da haihuwa, kuma ba za a iya modified. Wannan ya hada da daukan taban, hadiya, fahimtar da sauran reflexes.

Kamar yadda gada rinjayar da bayyanar da numfashinsa

Saboda gaskiya cewa pons ne wani ɓangare quadrigemina, shi ne dace da ci gaban da ji da kuma ilimin kididdiga reflex. Godiya ga karshen, muna iya ci gaba da jiki a wasu matsayi. Bugu da kari, hulda da sakandare kwakwalwa, shi rufe da wani gagarumin rabo daga tsoka reflexes.