GuzobereSayensị

Na Nleta forebrain na ihe na ọrụ ya rụrụ

The forebrain bụ ihe kasị rostral alaka nke ụjọ usoro. Ọ mejupụtara nke akụkụ ụbụrụ ammamihe (na cortex) na basal ganglia. Nke ikpeazụ, ịbụ na cortex, emi odude n'etiti frontal akụkụ ụbụrụ na diencephalon. The mejupụtara nke a nuclear owuwu agụnye caudate ntọala, shei, nke ọnụ-emekwa ka corpus striatum. Ya aha ya natara dị ka a n'ihi nke eri oké nri nke isi awọ okwu, esịnede akwara mkpụrụ ndụ, na-acha ọcha. A ọcha, ya na ọrịa ụbụrụ acha bọl, nke a na-akpọ pallidum ụdị striopallidarnoy usoro. Nke a na usoro ke mammals, gụnyere ụmụ mmadụ, bụ isi nuclear ngwaọrụ na a na-usoro nke moto omume na ndị ọzọ dị mkpa ọrụ.

The mejupụtara nke basal ganglia bụ subcortical nuclei enwe nnọọ iche iche cellular mejupụtara. The globus pallidus bụ nnukwu na obere akwara ozi. Striatum cell nwere a yiri nzukọ. N'ihi na akwara ozi striopallidarnoy systems gaa gboo si ụbụrụ cortex, thalamus, esiwe na nuclei.

Gịnị bụ ọrụ subcortical nuclei?

Kernel striopallidarnoy usoro aka na moto nchikota na moto ọrụ. Mmalite nke caudate ntọala, na-atụgharị isi stereotypical agwa na n'ikwe mmegharị nke ogwe aka ma ọ bụ forelimbs ụmụ anụmanụ. Na usoro nke-amụ striatum, ọ na-hụrụ na o nwere a ọrụ na Filiks nke n'isi mmegharị. Iyatesịt a Ọdịdị mebiri Filiks nke na ebe nchekwa na mmụta. Striopallidarnoy usoro-akpa inhibitory mmetụta na locomotor ọrụ na ya obi components, dị ka ike ike mmeghachi omume.

N'ụgbụgbọ nke akụkụ ụbụrụ ammamihe

The forebrain agụnye akwụkwọ, nke a na-akpọ jikọrọ ọnụ. Ọ na-atụle-ntà guzobere ụbụrụ. Morphologically, na cortex emi esịnede isi awọ okwu na-ekpuchi dum ụbụrụ na nwere a nnukwu ebe ruru ọtụtụ folds na convolutions. The isi awọ okwu mejupụtara a nnukwu ọnụ ọgụgụ akwara mkpụrụ ndụ. N'ihi na nke a ọnụ ọgụgụ nke synaptic njikọ dị ukwuu, ọ na-enye nchekwa na nhazi nke ozi natara. Na ndabere nke ọdịdị na evolushọn, dịpụrụ adịpụ oge ochie, ndị agadi na ọhụrụ jikọrọ ọnụ. N'oge evolushọn nke mammalian neocortex mepụtara karịsịa ngwa ngwa. Ancient n'ụgbụgbọ ya mejupụtara nwere olfactory bulbs na traktị, na olfactory tubercles. Ọdịdị nke ochie akụkụ nke cingulate gyrus, amygdala na hippocampal gyrus. Ndị fọdụrụ ebe bụ nke neocortex.

The akwara mkpụrụ ndụ nke ụbụrụ cortex mere ndokwa na n'ígwé na n'usoro n'ụzọ, na Ọdịdị akpụ isii n'ígwé:

1st - akpọ molekụla, guzobere plexus akwara ozi ma nwere a kacha nta ọnụ ọgụgụ nke akwara mkpụrụ ndụ.

2nd - akpọ elu grainy. Ọ mejupụtara obere akwara ozi nke dị iche iche shapes, yiri mkpụrụ.

Nke atọ - na-emi esịnede pyramidal akwara ozi.

4th - esịtidem granular, dị ka ná mpụta oyi akwa, mejupụtara obere akwara ozi.

5th - nwere Betz sel (ibu pyramidal mkpụrụ ndụ). Filiks ndị a sel (axons) na-etolite na pyramidal tract, nke esịmde caudal òkè na-aga n'ihu na mgbọrọgwụ nke ọgidigi azụ.

6 - multiforme mejupụtara akwara ozi zita na fusiform.

Ọ bụ ezie na nural nzukọ nke cortex nwere ọtụtụ ihe na-eme, a ọzọ zuru ezu na-amụ ya gosiri ọdịiche na-apụta na esiwọrọ size na ọnụ ọgụgụ nke mkpụrụ ndụ na ha branching detritus. Site n'ịmụ ụbụrụ mmadụ cortex map a kwadebere, nke na-agụnye na mpaghara 11 na 52 nke ọhia.

M na-ahụ maka ihe forebrain?

Ọtụtụ mgbe ochie na ndị okenye n'ụgbụgbọ jikọtara. Ha na-etolite na olfactory ụbụrụ. The forebrain bụkwa maka nastorazhivanie na anya, atụ ke autonomic Jeremaya mere. The usoro, so na-guzobere ebumpụta ụwa na omume na mmetụta uche. Na anụmanụ nwere, mgbe iyatesịt ochie n'ụgbụgbọ egosi mmetụta ndị a na-digestive usoro: Ịta atụ, ilo, peristalsis. Ọ bụkwa iwe na tonsils akpata a mgbanwe ke ọrụ nke akụkụ ahụ ndị (akụrụ, akpanwa, eriri afo). Ụfọdụ ebe nke cortex na-aka na usoro nke na n'isi.

Ọnụ hypothalamus, na limbic ebe na forebrain (oge ochie na ndị agadi n'ụgbụgbọ) etolite na limbic usoro, nke na-ekwusi homeostasis na ana achi achi ichebe nke umu.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 ig.unansea.com. Theme powered by WordPress.