Reticular samuwar. A dangantaka da mota halayen

Brainstem reticular samuwar ne da samuwar plexiform, jam'i na na tsarin jijiya Tsarin, located in tsakiyar sassa (thalami, midbrain da medulla). Neurons cewa yin shi up, sauye a size, neurite tsawon, tsari. Bikin cika m saƙa.

Ayyuka na reticular samuwar

Formation aka alaka da cerebellum, da laka, da bawo a cikin cerebral hemispheres, da limbic (bayar da mafi muhimmanci a cikin halayen jiki) tsarin. A cikin samuwar raga mu'amala hawa (afferent) da sauka (efferent) hatsaisai. A hatsaisai iya kewaya da kuma rufe na tsarin jijiya haihuwarka. A wannan yanayin, m agitation da aka bayar a cikin reticular samuwar neurons a wasu matakin. A sakamakon haka ne wasu sadaukar da ayyuka na daban-daban sassan na tsakiya m tsarin. Daidaitawa da mataki na zumudi na raga samuwar aka kwashe haushi hemispheres.

Reticular samuwar qunshi yankuna iya samar da ko gudanarwa da hana ruwa guda sakamako a kan kashin baya motor halayen.

Domin da farko lokacin da dangantaka tsakanin kashin baya da numfashinsa kuma kara kuzari na fannoni daban daban da na raga samuwar aka gano I. M. Sechenovym. Daga bisani, American neurophysiologist Megounom tare da taimako daga cikin ma'aikatan da aka fili kwatanta ta da kallo na Sechenov.

Saboda haka, a lokacin da wutar lantarki ruri na tsakiya filin a anesthetized birai da Cats akwai cikakken lõkacin fatara daga motsi, kamar yadda wani reflex, kuma Yanã ruri daga mota zones na cerebral bawo. Kamar haka duk birki sabon abu da ya tsokani da reticular samuwar, ya halartar hangula, ne dangantakar a yanayi.

Lokacin da fallasa su a kaikaice reticular samuwar zone a periphery, exerting wani mai hanawa sakamako yankin gano gudanarwa da sakamako a kan kashin baya motor aiki.

A reticular samuwar ne iya aiki a kan daban-daban kashin baya da ilimi.

Ya kamata a lura da cewa yankin na raga samuwar, mallakan gudanarwa da sakamako a kan mota aiki kara anteriorly. Saboda haka, da ya rufe ba kawai a yankin na medulla oblongata, amma da midbrain da pons.

Net ilimi zai iya shafar tsoka sautin. Wannan bude matsayi R. dutse. Yaren mutanen Sweden neurophysiologist nuna cewa reticular samuwar rinjayar da ayyukan gamma motor neurons. Su axons wuce ta hanyar da ake kira "intrafuzarnym" tsoka zaruruwa kuma motsa jiki da muhimmiyar rawa a cikin tsari na lokaci na jiki ƙungiyoyi da kuma postures.

Fagage daban-daban na reticular samuwar iya samun haramta motsa tasiri a jimlace yanayi na cerebral bawo, nishadantarwa da duk da yankin.

Kasancewa raga samuwar aiki da kuma ji na ƙwarai to daban-daban sinadaran abubuwa circulating a cikin jini yana da za'ayi ta humoral dalilai (carbon dioxide, catecholamines, da dai sauransu ..). Wannan, bi da bi, na taimaka wa hadewa na reticular samuwar a cikin tsari na wasu autonomic ayyuka.

Ya kamata a lura cewa binciken na da dangantakar raga samuwar tare da sauran subcortical Tsarin, shi ya yarda mana mu tata da kaddarorin neurophysiological sunadaran da yanayin mutum jihohin (zafi, falke, barci, taka tsantsan, wani tunanin da kuma motivational jihohin da sauransu). Amfani a Medicine nazarin ya bayyana mutum hanyoyin kwantar da hankali na CNS pathologies, ayyana wani sabon tsarin kula da wasu likita matsaloli.