2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qhov chaw. Lub raum yog nyob rau ntawm phab ntsa plab plab tom qab, nrog rau ib sab ntawm kab vertebral, hauv qhov chaw perirenal. Lub axis ntev ntawm lub raum yog sib npaug mus rau sab ciam teb ntawm cov leeg psoas thiab nyob ntawm cov leeg quadratus lumborum.
mid ncej hauv lub raum yog dab tsi?
A mall calculus yog tshwm sim nyob rau nruab nrab ntawm lub raum sab xis. Hauv lus Askiv zoo tib yam, ib lub ntsiab lus ntawm lo lus ncej yog hais txog ob qho tib si ntawm ob qhov kawg ntawm ib qho axis khiav los ntawm ib tus kheej lossis cov khoom zoo sib xws, lossis rau ob txoj kev xav lossis kev ua haujlwm tsis zoo (xws li cov ncej ntawm lub roj teeb) [1.
lub raum ncej nyob qhov twg?
Anatomical Position
Lub raum dag retroperitoneally (tom qab lub peritoneum) hauv plab, ob sab ntawm kab vertebral. Lawv feem ntau txuas ntawm T12 mus rau L3, txawm hais tias lub raum sab xis feem ntau nyob qis dua vim muaj lub siab. Txhua lub raum yog kwv yees li peb vertebrae ntev.
Lub raum nruab nrab hu ua dab tsi?
Internally, lub raum muaj peb cheeb tsam - ib qho cortex sab nrauv, a medulla nyob rau hauv nruab nrab, thiab lub raum plab hauv cheeb tsam hu ua hilum ntawm lub raum.
tus ncej qab ntawm lub raum sab laug nyob qhov twg?
Lub raum qis yog kwv yees 7 cm tawm ntawm nruab nrab. Lub hilum yog nyob rau hauv lub dav hlau transpyloric, 5 cmlos ntawm midline.
Pom zoo:
Vim li cas lub cev nyob nruab nrab ntawm lub cubic muaj nyob?
Ib feem peb ntawm kev ntim khoom hauv cov hlau, lub cev-centered cubic (BCC) chav tsev cell muaj atoms ntawm txhua yim kaum ntawm lub voos xwmfab ntxiv rau ib lub atom hauv nruab nrab ntawm lub voos xwmfab. Vim hais tias txhua lub ces kaum atoms yog lub ces kaum ntawm lwm lub voos xwmfab, lub ces kaum atoms nyob rau hauv txhua chav tsev cell yuav muab sib koom ntawm yim units.
Puas yog nruab nrab phem tshaj qhov nruab nrab?
Yog li ntawd, 'mediocre' yog tsuas yog thiab tsuas yog derogatory, me ntsis hnyav dua li 'qub' thiab hais txog tib yam li 'tsis muaj dab tsi sau hauv tsev'. 'Nruab nrab' yog zoo siv nyob rau hauv nws nruj me ntsis kev paub txog zauv/statistical.
Nyob rau hauv cab thiab cab lub log lub ncej ncej nyob ntawm?
Cov no yog cov iav uas tsis yog coplanar uas nws cov ncej axes tuaj yeem ua raws ntawm txhua lub kaum ntawm 0 txog 90 °. Worm gears, hypoid gears, thiab cross-helical gears yog hom iav tseem ceeb hauv pawg no. Cov kab mob cab: Cov cab cab muaj cov cab cab thiab cov cab cab uas nws cov ncej tso rau ntawm lub kaum sab xis mus rau lwm qhov.
Qhov twg yog lub ntsiab lus ntawm concurrency ntawm nruab nrab ntawm daim duab peb sab?
Qhov nruab nrab yog ib txoj kab uas koom nrog qhov nruab nrab ntawm ib sab thiab rov qab vertex ntawm daim duab peb sab. Yog li ntawd, lub ntsiab lus ntawm concurrency ntawm qhov nruab nrab ntawm daim duab peb sab yog hu ua the centroid.. Qhov twg yog qhov sib txuam ntawm qhov siab ntawm daim duab peb sab?
Thaum qhov nruab nrab ntawm qhov chaw nyob ib sab ntawm lub plaub fab?
Lub plaub fab uas tsim los ntawm kev koom nrog cov midpoints sib law liag ntawm ib lub plaub fab uas nws kab pheeb ces kaum yog congruent yog a rhombus. Thaum qhov nruab nrab ntawm qhov chaw nyob ib sab ntawm plaub fab txuas nrog ntu?
