2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub gubernaculum zoo li yog qhov tseem ceeb tshaj plaws anatomical qauv nyob rau hauv lub testicular migration txheej txheem, los ntawm txhais tau tias ntawm contraction thiab shortening , yog li imposing traction zog ntawm lub testis (1. keeb kwm tshuaj xyuas txog kev xav ntawm lub cev xeeb tub.
Dab tsi yog qhov tseem ceeb ntawm gubernaculum?
Caudally lub genito-inguinal ligament, lossis 'gubernaculum', txuas tus ncej qis ntawm gonad thiab epididymis mus rau yav tom ntej inguinal kwj dej. Lub gubernaculum yog li ntawd-npe los ntawm John Hunter nyob rau hauv lub kaum yim caug xyoo vim nws xav tias nws steered testis rau lub scrotum.
Tib neeg puas muaj gubernaculum?
Txoj kev tshawb no ntawm 178 tus txiv neej fetuses thiab me nyuam mos qhia tau hais tias qhovntsej thiaj tsis mob ntawm cov qog los ntawm cov kwj dej inguinal yog cov txheej txheem ceev, nrog rau 75% ntawm cov noob qes nqis los ntawm 24 thiab 28 lub lis piam ntawm cev xeeb tub. Lub gubernaculum yog ib lub cylindrical, gelatinous qauv txuas nrog cranial mus rau lub testis thiab epididymis.
Vim li cas cov noob qes tseem ceeb?
Testicular qhovntsej thiaj tsis mob yuav tsum tau rau cov spermatogenesis ib txwm, uas yuav tsum tau 2 ° C mus rau 3 ° C txias scrotal ib puag ncig. Embryonic testicular qhovntsej thiaj tsis mob tuaj yeem muab faib ua peb theem: 1. Transabdominal migration ntawm testis mus rau lub nplhaib inguinal.
Yuav ua li cas tswj kev loj hlob ntawm gubernaculum?
Muaj peev xwm koom nrog hauv kev txhim kho gubernaculum yog androgens, anti-MüllerianCov tshuaj hormones (AMH), thiab cov tshuaj insulin zoo li (Insl3). … Ntxiv mus, Amh-/-, Amh+/-, thiab Insl3+/- testes txhawb kev loj hlob ntawm gubernacular explants mus rau tib yam li tswj testes.
Pom zoo:
Puas pom qhov tseem ceeb yog vim li cas lossis vim li cas ho tsis?
Kev sib txuas lus pom kev pab cov neeg tuaj saib nkag siab cov ntaub ntawv. Nws ua rau kom nkag siab txog cov ntsiab lus. Hom duab ob sab uas pab kev sib txuas lus muaj xws li kos duab, kos duab kos duab, animation, kos npe, typography, graphic designs, thiab lwm yam.
Vim li cas txoj kev tseem ceeb tseem ceeb rau kev tswj xyuas qhov project?
txoj kev tseem ceeb tso cai rau pab pawg txheeb xyuas cov haujlwm tseem ceeb tshaj plaws hauv qhov project. … Qhov no muab kev nkag siab ntau dua rau koj qhov project ncua sij hawm thiab kev sib raug zoo ntawm cov haujlwm, ua rau koj nkag siab ntau ntxiv txog lub sijhawm ua haujlwm twg koj tuaj yeem hloov kho, thiab qhov twg yuav tsum nyob ib yam.
Vim li cas lub ntsiab lus tseem ceeb yog qhov tseem ceeb?
Grand mean centering sub lub ntsiab lus loj ntawm tus kwv yees siv qhov txhais los ntawm tag nrho cov qauv (X).. Vim li cas Grand txhais tau tias qhov chaw tseem ceeb? Lub ntsiab lus tseem ceeb yog qhov siv tau rov ntsuas duauas pab nrog kev txhais cov ntsiab lus cuam tshuam nrog kev cuam tshuam, nws txhais tau li cas, lossis qhov sib txawv ntawm txhua qib;
Dab tsi yog qhov tseem ceeb thiab vim li cas nws tseem ceeb los txheeb xyuas koj qhov tseem ceeb?
Qhov tseem ceeb yuav coj koj hauv kev txiav txim siab hauv lub neej thiab ua rau koj taug qab. Qhov tseem ceeb tshaj plaws, qhov tseem ceeb tshaj plaws yuav ua rau koj ntseeg siab hais tias "tsis yog." Lawv pab koj txheeb xyuas qhov xav tau tiag tiag hauv koj lub neej, piv rau lwm tus xav tias tseem ceeb.
Vim li cas qhov tseem ceeb ntawm qhov muaj zog thiab qhov tsis muaj zog yog qhov tseem ceeb?
Nws yog ib qho tseem ceeb rau qhov tseem ceeb ntawm qhov ua tau zoo thiab qhov tsis muaj zog vim qhov no pab lub tuam txhab txiav txim siab txog thaj chaw uas lawv yuav tsum tau txhim kho ntxiv rau thaj chaw uas lawv ua tau zoo hauv. Vim li cas lub zog thiab qhov tsis muaj zog tseem ceeb?