Video: Meniscus nruab nrab thiab sab nraub qaum yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov menisci - cov meniscus nruab nrab thiab sab meniscus - yog cov crescent-puab bands ntawm tuab, roj hmab pob txha mos txuas rau lub pob tw (tibia). Lawv ua raws li kev poob siab thiab ua kom lub hauv caug ruaj khov. Cov meniscus nruab nrab yog nyob sab hauv ntawm lub hauv caug sib koom tes. Cov sab meniscus nyob sab nraum lub hauv caug.
Tom qab ntawd, puas tuaj yeem mob meniscus sab nraub qaum kho nws tus kheej?
Nyob rau hauv cov ntaub ntawv ntawm meniscus kua muag , qee leej neeg xav tias raug mob yuav kho dhau lub sijhawm nws tus kheej . Tab sis qhov tseeb yog muaj ntau hom sib txawv meniscus kua muag - thiab qee qhov kua muag yuav tsis kho tsis muaj kev kho mob . Yog koj tsim kua muag yog nyob sab nraud ib feem peb ntawm cov meniscus , nws yuav kho nws tus kheej lossis raug kho phais.
Kuj Paub, dab tsi yog meniscus ib sab? Cov sab meniscus (sab nrauv semilunar fibrocartilage) yog fibrocartilaginous band uas nthuav dav ib sab sab ntawm sab hauv ntawm lub hauv caug sib koom tes. Nws yog ib ntawm ob menisci ntawm lub hauv caug, lwm qhov yog medial cov meniscus . Nws yog yuav luag ncig thiab npog ib feem loj ntawm qhov chaw sib koom tes ntau dua li qhov nruab nrab.
Ib sab saum toj no, uas yog qhov hnyav dua nruab nrab lossis sab nraub qaum meniscus?
Cov sab meniscus tsawg dua nws raug mob tshaj li meniscus nruab nrab . Qhov no yog vim nws tsis txuas rau lub ib sab lub hauv caug ligament tib txoj kev uas tus nruab nrab pob txha mos cov meniscus txuas rau nruab nrab ligament.
Vim li cas qhov nruab nrab meniscus feem ntau yuav raug mob ntau dua li meniscus ib sab?
Cov meniscus nruab nrab yog ntau dua feem ntau raug mob vim nws yog khov kho txuas rau nruab nrab collateral ligament thiab sib koom tshuaj ntsiav. Cov sab meniscus , nyob rau sab nraud ntawm lub hauv caug, yog ntau dua ncig hauv cov duab. Tsis muaj ntshav txaus rau menisci.
Pom zoo:
Dab tsi yog qhov nruab nrab nruab nrab txhim kho rau?
Thaum lub sijhawm embryonic kev txhim kho, lub nruab nrab lub paj hlwb (tseem hu ua mesencephalon) tshwm sim los ntawm ob lub vesicle ntawm cov hlab ntsha neural, thaum sab hauv ntawm lub raj no dhau los ua lub paj hlwb. Nws tsis faib mus rau lwm qhov chaw hauv hlwb
Dab tsi yog qhov nruab nrab ntawm sab laug sab saud thiab qis hauv lub plawv?
Lub mitral valve thiab tricuspid valve nyob nruab nrab ntawm atria (lub plawv sab hauv) thiab lub ventricles (qis hauv plawv)
Dab tsi ua rau mob hauv nruab nrab sab laug ntawm koj nraub qaum?
Kev raug mob rau cov pob txha caj qaum tuaj yeem tshwm sim hauv cov leeg nqaij, discs, lossis pob qij txha, thiab ua rau feem ntau ua rau mob nraub qaum ntawm ib sab. Cov ntaub so ntswg raug mob feem ntau ua rau mob hauv nruab nrab ntawm tus txha nraub qaum, tab sis lawv tuaj yeem ua rau mob tag nrho ntawm sab xis lossis sab laug ntawm sab nraub qaum
Cov nqaij ntshiv dab tsi nyob rau sab nraub qaum sab nraub qaum?
Lub posterior compartment ntawm ob txhais ceg (feem ntau hu ua 'calf') txuas ntxiv mus rau qhov sib txawv ntawm sab nrauv thiab qhov sib sib zog nqus sib sib zog nqus los ntawm transverse intermuscular septum. Qhov loj dua, txheej sab saud ntawm cov ceg qis muaj gastrocnemius, soleus (GS) thiab cov leeg cog
Sab nraub qaum thiab nruab nrab txhais li cas?
Medial thiab lateral: Medial yog hais txog kev mus rau nruab nrab ntawm lub cev lossis lub dav hlau nruab nrab, uas faib lub cev, taub hau-to-toe, ua ob sab, sab laug thiab sab xis. Lateral yog sab ntawm lub cev lossis ib feem ntawm lub cev uas nyob deb ntawm nruab nrab