2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tom qab ua tiav ntawm gastrulation lub embryo nkag mus rau hauv organogenesis - qhov no yog cov txheej txheem uas cov ectoderm, mesoderm thiab endoderm hloov dua siab tshiab rau hauv lub cev ntawm lub cev. Cov txheej txheem no tshwm sim nruab nrab ntawm lub lim tiam 3 txog lub lim tiam 8.
Lub sijhawm cev xeeb tub tshwm sim li cas?
Lub lim tiam yim, organogenesis tiav. Lub fetus zoo li tib neeg thiab npaj kom muaj kev loj hlob ntxiv thiab sib txawv.
organogenesis yog dab tsi thiab thaum twg nws tshwm sim?
Organogenesis yog theem ntawm embryonic txoj kev loj hlob uas pib thaum kawg ntawm gastrulation thiab txuas ntxiv mus txog thaum yug. Thaum lub sij hawm organogenesis, peb txheej kab mob tsim los ntawm gastrulation (cov ectoderm, endoderm, thiab mesoderm) tsim cov kab mob hauv lub cev.
organogenesis 1st trimester yog dab tsi?
Organogenesis yog txheej txheem los ntawm cov txheej txheem sib txawv ntawm lawv tus kheej mus rau hauv cov ntaub so ntswg thiab kabmob. Qhov no pib ntxov li 5 lub lis piam tom qab kev xeeb tub hauv tib neeg, thaum lub embryo loj hlob tsis loj dua li cov noob noob hnav!
Lub sijhawm cev xeeb tub yog qhov tseem ceeb tshaj plaws?
thawj peb lub hlis twg yog qhov tseem ceeb tshaj plaws rau koj tus menyuam txoj kev loj hlob. Nyob rau lub sijhawm no, koj tus menyuam lub cev thiab lub cev lub cev tsim. Feem ntau nchuav menyuam thiab yug tsis xws luag tshwm sim nyob rau lub sijhawm no.
Pom zoo:
Puas yog neutrophilia tshwm sim thaum cev xeeb tub?
Tag nrho cov xov tooj dawb suav yuav nce siab thaum cev xeeb tub vim muaj ntau cov neutrophils. Neutrophils tseem tuaj yeem ua kom pom qhov "sab laug" (ntau dua ntawm cov qhab neutrophils). Txawm li cas los xij, qhov neutrophilia no feem ntau tsis cuam tshuam nrog kev kis kab mob lossis mob.
Puas yog bartholin cysts tshwm sim thaum cev xeeb tub?
Qhov tshwm sim ntawm Bartholin caj pas Bartholin caj pas Bartholin cov qog (los yog ntau dua vestibular qog) yog cov kabmob tseem ceeb ntawm cov poj niam cev xeeb tub. Danish anatomist Caspar Bartholin Secundus thawj zaug piav rau lawv hauv 1677.
Thaum twg lub cev xeeb tub tshwm sim?
Nyob rau hauv lub lis piam 4 txog 5 ntawm kev xeeb tub thaum ntxov, blastocyst loj hlob thiab tsim nyob rau hauv lub plab hauv plab. Cov hlwb sab nraud ncav cuag los tsim kev sib txuas nrog leej niam cov ntshav. Tom qab qee lub sijhawm, lawv yuav tsim cov placenta (tom qab yug menyuam).
Vim li cas ectopic cev xeeb tub tshwm sim?
Ib qho cev xeeb tub yog feem ntau tshwm sim los ntawm kev puas tsuaj rau cov hlab ntsha fallopian. Lub qe fertilized yuav muaj teeb meem hla lub raj puas, ua rau lub qe cog thiab loj hlob hauv lub raj. Tej yam uas ua rau koj muaj feem yuav muaj kab mob qog nqaij hlav thiab lub cev xeeb tub muaj xws li:
Puas yog ntshav tshwm sim thaum cev xeeb tub?
Ntshav thiab pom los ntawm qhov chaw mos thaum cev xeeb tub yog qhov tshwm sim. Txog li 1 ntawm 4 (txog 25%) ntawm tag nrho cov poj niam cev xeeb tub muaj qee qhov los ntshav los yog pom thaum lawv cev xeeb tub. Los ntshav thiab pom thaum cev xeeb tub tsis yog ib txwm txhais tau tias muaj teeb meem, tab sis lawv tuaj yeem yog lub cim ntawm kev nchuav menyuam lossis lwm yam teeb meem loj.
