Lateral ventricle: lub cev, muaj nuj nqi

Lateral ventricle, ua ke nrog rau lwm cov kab noj hniav nyob rau hauv lub hlwb uas yog ib feem ntawm lub zuag qhia tag nrho system nyob rau hauv uas lub cawv yog daim. Lawv sib tham nrog tus subarachnoid qhov chaw ntawm cov leeg nrob qaum. Lub puab nto ntawm cov kab noj hniav yog hlua nrog ependyma. Lawv txoj hauj lwm yog kom muaj kev pom ntau yam ntawm siab sab hauv thiab sab nraum ntawm lub paj hlwb thiab tus txha caj qaum.

Hom ntawm lub paj hlwb ventricles

Lateral ventricle (es) - ib tug me me kab noj hniav nyob rau hauv ib tug loj lub hlwb uas tsim ib qho kev txha caj kua. Lawv pom tau hais tias qhov loj tshaj plaws ntawm lub ventricular system. Qhov no khub tsim, thiab muaj ib tug kev topography rau nws.

Rau sab laug sab ventricle, raws li kev lig kev cai, yog hu ua ntej. Ib tug txoj cai - thib ob. Lawv yog cov symmetrical nrog txhua lwm yam thiab uas nyob ib sab anatomical lug, thiab cov txheej txheem hauv qab no rau tej sab ntawm lub epiphysis ntawm lub midline. Txhua ventricle yog raug rho tawm thiab horn lub cev pem hauv ntej, rear thiab hauv qab. Monroe sab ventricles ntawm qhov kev cob cog rua rau lub thib peb ventricle.

Qhov thib peb ventricle yog nyob nruab nrab ntawm lub chaw lub luag hauj lwm rau lub zeem muag. Nws muaj ib tug nplhaib zoo thiab nws cov phab ntsa yog grey teeb meem uas muaj autonomic ganglia. Nyob rau hauv tas li ntawd mus rau lub sab ventricles, qhov no kab noj hniav yog kev cob cog rua rau ib tug dej mov qaum.

Qhov thib plaub ventricle yog nyob nruab nrab ntawm lub sab cerebellum. Nyob rau hauv daim ntawv nws tsa ib tug pyramid thiab nws yuav tsum ntau kom meej yuav hu ua lub rhomboid fossa. Nyob rau hauv tas li ntawd mus rau lub CSF rau hauv qab ntawm no qhov yog nyob feem ntau ntawm cov nuclei ntawm cov leeg nrob qab haus huv.

vascular plexus

Lateral ventricle (es) yog tsuas yog cov muab kev koom tes nyob rau hauv xws li ib tug lub tswv yim raws li vascular plexus. Feem ntau ntawm cov lug muaj nyob rau hauv lub ru tsev ntawm lub thib peb thiab thib plaub ventricles. Lawv yog cov luag hauj lwm rau feem ntau ntawm zus tau tej cov hlwb txha nqaj qaum kua. Sib nrug los ntawm lawv, qhov no muaj nuj nqi yog ua ncaj qha mus rau lub paj hlwb cov ntaub so ntswg, raws li zoo raws li ependyma uas npog sab hauv ntawm lub ventricles ntawm lub paj hlwb.

Morphologically, vascular plexus yog outgrowths pial loaded rau hauv lub ventricles. Sab nraum no protrusions yog them nrog nyhav kev choroid epithelium.

Ependimotsity

Lub sab ventricles ntawm lub paj hlwb yog hlua nrog tshwj xeeb ntaub sab hauv, uas yuav ua tau ob qho tib si CSF thiab nqus nws. Qhov no yuav pab kom cov pom nyiaj ntawm cov kua nyob rau hauv cov kab noj hniav, thiab tsa intracranial siab.

ntawm epithelial hlwb muaj ntau organelles thiab loj nucleus. Cov txheej nto ntawd yog them nrog ib tug loj tus naj npawb ntawm microvilli, lawv pab txhawb tus txha caj kua, raws li zoo raws li nws cov haum. Sab nraum ependyma nyob Kolmer hlwb, uas yog xam tau tias yog ib tug tshwj xeeb ntawm macrophages uas muaj peev xwm sawv ntawm tsiv los ntawm lub cev.

Los ntawm ntau me me qhov khoob nyob rau hauv lub qab daus membrane mus rau hauv cov kab noj hniav ntawm cov ventricles epindemotsitov exuded ntshav ntshav. Yuav kom nws yog ntxiv cov nqaijrog ua los ntawm cov epithelium nws tus kheej nrog kab noj hniav ntawm lub paj hlwb hlwb, thiab thiaj li nws puv tawm cawv.

ntshav-hlwb barrier

nws puab hauv ob sab phlu ntawm lub cev thiab daim ntawv ib tug horn ntawm lub sab ventricles los yog cov ntshav-hlwb barrier gematolikvorny. Nws yog ib tug sau ntawm fabrics, teem nyob rau hauv ib qho kev txiav txim:

- cytoplasm ntawm capillary endothelium;

- connective cov ntaub so ntswg uas muaj macrophages;

- endothelial qab daus membrane;

- ependymal hlwb;

- hauv qab daus membrane ependyma.

Qhov no nyuab qauv yog tsim nyog nyob rau hauv thiaj li yuav tiv thaiv kom txhob nyob rau hauv lub hlwb txha nqaj qaum kua metabolic khoom, cov tshuaj thiab lwm yam tej yam tshuaj lom.

txha caj kua

Cov cai ntawm lub sab ventricles - ntau lawm pem teb litres ntawm cov dej cawv ib hnub twg, tiam sis tsuas yog ib puas thiab plaub caug milliliters ntawm tus nqi no yog tsis tu ncua daim nyob rau hauv lub subarachnoid qhov chaw. Txawm tias muaj tseeb hais tias lub hauv paus rau lub hlwb txha nqaj qaum kua yog ntshav ntshav, lawv muaj qhov sib txawv nyob rau hauv lub xov tooj ntawm electrolytes thiab protein. Tus thawj - yog ho ntau dua, thiab lub thib ob - rau hauv qab no. Tsis tas li ntawd, nyob rau hauv lub cawv feem ntau tam sim no nyob rau hauv ib tug me nqi lymphocytes. Reabsorption ntawm hlwb txha nqaj qaum kua tshwm sim nyob rau hauv lub qhov chaw ntawm cov kev taw qhia ntawm cov vascular plexus.

Faib raws li nram no CSF zog:

- detoxification (metabolic khoom thauj);

- ncua kev kawm ntawv (thaum lub sij hawm taug kev, ntog, ntse lem);

- tsim ntawm lub plhaub ib ncig ntawm lub hydrostatic ntsiab ntawm poob siab system;

- tswj qhov muaj pes tsawg leeg cov kua nyob rau hauv lub central tshee system;

- thauj (thauj ntawm cov tshuaj hormones thiab tej yam tshuaj).

cov kab mob ntawm lub ventricles

Thaum ib tug sab ventricle (los yog ob qho tib si) ua ntau kua tshaj yuav nqus nws muaj ib tug pathological mob raws li hydrocephalus. Lub sab hauv lub ntim ntawm lub ventricles maj nce, compressing lub hlwb cov ntaub so ntswg. Tej zaum qhov no ua rau yus irreversible ischemia thiab necrosis.

Nyob rau hauv cov me nyuam mos thiab cov me nyuam yaus cov tsos mob ntawm tus kab mob no yog cov disproportionate luaj li cas ntawm cov cranium li muab piv nrog lub ntsej muag, su fontanelle, causeless ntxhov siab vim tus me nyuam tig mus rau apathy. Nyob rau hauv cov laus, muaj kev tsis txaus siab ntawm mob taub hau, mob nyob rau hauv lub qhov muag, xeev siab thiab ntuav.

Rau mob siv neuroimaging hom kev kawm: magnetic resonance los yog xoo tomography txoj kev kho. Early nrhiav kom tau thiab kev kho mob ntawm tus kab mob no tsis pub ib tug xov tooj tseem ceeb ntawm cov teeb meem thiab khaws cia tau ib lub neej zoo.