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Abducens: hōʻike o ka'anatomia, mana a me nā hiʻona

Abducens pili ana i ka mea hana e regulates i ka neʻeʻana o nā maka. Kona kūlana he mea ole no koʻikoʻi like me ka oculomotor, akā, ma ka hihia o ka poho o ka papa, i ka hiki e ike i kekahi mau mea i nalowale. No ka launa maka ana pono e eono nāʻiʻo i i innervated e ekolu cranial nā aʻalolo.

'anatomia

Abducens pili i ka maemae Hawaii nā aʻalolo. Ua hoʻomaka ma ka nucleus, i ua aia i loko o ka midbrain. Olona, ia ia ma ka uapo i lalo i ka basal ili o ka lolo a me ka neʻe ma loko o ka hewa elua ma waena o nā pons a me ka pyramid, Aia i loko o ka medulla oblongata.

Kora keʻano o ka hanaʻana e hele ma ka naʻau o ka lolo a me ka mea i loko o ka cavernous sinus. Aia, na olona, i ma kaʻaoʻao ma waho o ka carotid artery. Ma hope o nā aʻalolo haʻalele sinus, e komo i loko o ka luna orbital māwae pōhaku, a mahope hina i loko o ka Astronomical. Abducens innervates wale kekahi Muscle - pololeiʻaoʻao.

kuleana pili i

Abducens hoʻolako he hookahi papa, i hanaʻia i ka Muscle innervated e ia, a me ka mea e lawe aku oe i ka maka waho. Ua apono 'oe e nana a puni, me ka hoohuli ana i kona poʻo. Like pono me keia Muscle i ka hoa o ka maloko rectus Muscle o ka maka e pulls ka'ōnohi a poʻopoʻo i ka konu, ma ke kuhikuhi ana o ka ihu. Ka mea ana kekahi i kekahi mai.

Naʻe, a me ke pio ana o kekahi o ia mau mea, aia no he nń a divergent strabismus, me ke ola i ke Muscle e Kīwala'ō a me ka ana, ao ka ka'ōnohi a poʻopoʻo i loko o konaʻaoʻao. Abducens lua mai, no laila ia i hoʻolako i ka launa maka neʻe a me binocular hihiʻo.

like

Hōʻoia kaʻawale abducens a me kona hana ma ka papa kahua o ka? Acaeoey o ka lapaau mea,ʻaʻole hiki. Nolaila, neurologists a me ophthalmologists hookolokolo aku la ia i kekahi manawa, o kela mea keia ekolu nā aʻalolo: oculomotor, mākeke a me ka ai hoi. Kēia i hāʻawi mai i ka oi piha kiʻi o ke pio.

IeAUPIIe, IAa IO hoʻomaka me ka hoopii o ka papalua hihiʻo, a ua ikaika ka wā e nānā ma kaʻaoʻao maikaʻiʻole ia ma. A laila, he mea he pilikia makapō nana o ke ahonui i ka maka ma ka mea e hoʻoholo kona symmetry, i ke alo o ka nani, redness, a me nā hoike ana mai o ka hoʻoʻino kaʻina. Ma hope o ia, he kaawale study no ka maka protrusion paha retraction o ka'ōnohi a poʻopoʻo, ptosis o ke keena lihilihi.

Ke kapakai a ka koi laula o na haumana a me kā lākou pane i ka malamalama (ai ole aloha), hoʻohui a me ka noho. Hoʻohui - ka hiki, e kālele ana ma luna o kokoke mea. I mea e hōʻoia ia, he penikala a me ka hāmare lawe mai ai i ka ihu. Maʻamau haumana e e hou. Ua lawe noho study mai no kēlā me kēia maka kaawale, akā, ma ka hua'ōlelo o keʻano hana, e hoÿomaopopo i nä kaha hoʻohui.

Wale ma hope o nā mea a pau i kēia ka mua manipulations kikoo paha i ka hoʻomanawanui i ke squint. A ina pela, i ka mea, ua. A laila, noi aku i ke kanaka e malama i ka maka mai no ke kihi neurological hāmare. Ua apono 'e hooholo i ka nui o ka neʻeʻana o ka'ōnohi a poʻopoʻo. Ka lanakila i ka hāmare ma ka loa nui o ke kula o Hawaii, a paa ia i loko o keia kulana, ke kauka hoʻonāukiukiʻana mai o keʻano o papamoe nystagmus. Inā ke hoʻomanawanui i ka pathology o ka maka Muscle'ōnaehana, i ka pathological nystagmus (liʻiliʻi ana papamoe, a vertical maka ana) e lawe lōʻihi.

I ka make ana o na abducens

E like me uaʻike, ka punohu maka nā aʻalolo mea kuleana no ka huli ana i ka'ōnohi a poʻopoʻo mawaho mai o ka ihu. 'Aʻe' ana o nā aʻalolo conduction hele aku ai i ka hoʻohuikau 'o ka ka hoʻoneʻe o ka pololei kīloi paʻewa nāʻiʻo. Kēia ke kumu no nń strabismus aie i ka mea i ka mea maloko Muscle pulls ka'ōnohi a poʻopoʻo. Clinically, ka mea e hookomo ana papalua hihiʻo a ma ka 'epekema alanui, diplopia. Inā ka hoʻomanawanui UOAAaOON e nana i loko o kaʻaoʻao maikaʻiʻole ia ma, keia symptom no ka hana.

I kekahi manawa, he mea'ē aʻe pathologicalʻike manaʻo. No ka laʻana, vertigo, gait o na kanaka haunaele, a kohoʻia i loko o ka lewa. I mea e ike pono, e hoomanawanui i kamaʻilioʻana, e uhi i ka hoʻomanawanui maka. Make wale abducens ka loa pohihihi keia, e like me ka rula, hui pathology.

Nukelea a me kaʻike ākea lōlō

Neuropathy abducens i loko o kona circumferential pauku ia lŘlŘ ma meningitis, li nui o ka paranasal sinuses, cavernous sinus thrombosis, intracranial aneurysms Hoʻohana o ka carotid artery a me ka posterior pü artery, fractures o ka puniu wale waihona ipu a me orbital hikoko. Eia hou kekahi,ʻawahia 'ole ma ka botulism a me ka diphtheria hiki no hoi hanaʻino i ka lolo hale, a me ka cranial nā aʻalolo. Flaccid lōlō o abducens hiki like i mastoiditis. E hoomanawanui i malama Gradenigo maʻi pale: abducens paresis o ka maka i ka huipūʻana me kaʻeha ma ka OAAIeOO kahua o ka frontal lala o ka trigeminal nā aʻalolo.

Loa pinepine, ka mea nukelea 'aʻe' ana ma luna o ke kāʻei kua o ka encephalitis, neurosyphilis, mau sclerosis, hemorrhage, hikoko a me maʻi kāna hana o cerebral holo. Mai ka hookuuia a me ka lehalehu t nā aʻalolo e ke aupuni 'ʻaoʻao ma kaʻaoʻao, i ke pio ana o kekahi, ke kumu a me ka pathology kokoke. Aia i laila-kapaia alternating fauvillers maʻi pale (paresis o ka maka nāʻiʻo ma kaʻaoʻao maikaʻiʻole ia ma, a hakumakuma neʻe i loko o ka 'ē aʻe hapalua o kaʻaoʻao kumu).

ʻeluaʻaoʻao komo

Paresis o na abducens ma na aoao elua hoike nń strabismus. Keia ano ia lŘlŘ loa pinepine me ka hoomahuahua i loko o intracranial puʻe. Inā i ka helu o ka lama excessive, ka mea i lilo ia i dislocation o ka lolo, i mea, no ka ua e hana o ka lolo i ka hene ma ke kumu o ka iwipoo. Ma ia i ka ha i hiki wawe ka ae aku i ka abducens. Ka mea, 'oe i pono ma keia wahi e aia ma ka lalo ili honua o ka lolo, a kokoke i hoomaluia.

Aia i nā lolo dislocation e hoike mai ai ia ano like symptoms:
- indentation tonsil occipito-cervical dura funnel;
- impaction o ka cerebellum i loko o ka lolo a me ka 'ē aʻe holo.

Lakou mea i hana maʻalahi i ke ola, no laila, i ke alo o ke poho a hiki i ka abducens - ia Pathoanatomical olelo. Eia hou, e pono e hoomanao i ka nawaliwali o ke kīloi paʻewa rectus Muscle - ka mea, o kekahi o na symptoms o myasthenia gravis.

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