2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thaum cov qe ntshav liab nyob rau hauv cov tshuaj hypertonic (siab dua), dej ntws tawm ntawm lub xovtooj sai dua li nws los hauv. Qhov no ua rau crenation (shriveling) ntawm cov ntshav cell. … Dej txav mus rau hauv thiab tawm ntawm cov hlwb los ntawm osmosis.
Puas osmosis ua rau crenation?
Qhov no ua rau dej ntws los ntawm sab hauv ntawm tes mus rau qhov chaw ntxiv ntawm osmosis. Raws li dej tawm hauv lub xovtooj, nws shrinks thiab txhim kho cov tsos ntawm cov cim ntawm crenation.
kev tsim txom tshwm sim li cas?
crenation Lub ntsws ntawm cov hlwb uas tshwm sim thaum cov tshuaj nyob ib puag ncig yog hypertonic rau cellular cytoplasm. Cov dej tawm hauv cov hlwb los ntawm osmosis, uas ua rau cov plasma daim nyias nyias nyias thiab cov ntsiab lus ntawm tes kom condense.
Dab tsi ua rau kev tsim ntawm RBC?
Crenated erythrocytes feem ntau tshwm sim los ntawm ntau tshaj EDTA (underfilled collection tube), tab sis kuj yuav tshwm sim los ntawm (a) qeeb ziab, (b) ziab hauv qhov chaw ntub dej, los yog (c) alkaline pH los ntawm iav slides. Thaum crenation yog ib qho khoom qub, feem ntau cov hlwb ntawm cov swb yuav nthuav tawm cov yam ntxwv no.
Yuav ua li cas rau cov hlwb hauv osmosis?
Osmosis txhais tau tias dffusion dej rau hauv lossis tawm ntawm lub hlwb. Cov dej txav mus rau hauv lub cell tuaj yeem ua rau lub cell o, lossis txawm tawg! Qhov no tshwm sim thaum cov hlwb muab tso rau hauv cov tshuaj hypotonic. … Dej tawm hauv ib lub xovtooj tuaj yeem ua rau nws tsheence.
Pom zoo:
Cov hlwb twg tsim nyog rau kev kho cov hlab ntsha thiab txhaws?
Qhov tseem ceeb ntawm hemostasis Ib txwm hemostasis yog lub luag haujlwm ntawm cov txheej txheem nyuaj ntawm peb tus kheej cov khoom: cov qe ntshav (platelets), cov hlwb uas kab cov hlab ntsha (cov hlwb endothelial), thiab ntshav proteins (blood-clotting proteins).
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Nyob rau hauv cov kev tsim tawm no suav nrog kev tsim cov gemmule?
C) Asexual reproduction tshwm sim nyob rau hauv spongilla los ntawm kev loj hlob ntawm gemmules. Spongilla belongs rau Porifera Porifera Ib daim txhuam cev yog ib qho cuab yeej lossis kev pab tu ua los ntawm soft, porous khoom. Feem ntau siv los ntxuav qhov chaw impervious, sponges yog tshwj xeeb tshaj yog zoo ntawm absorbing dej thiab dej raws li kev daws teeb meem.
Qhov twg yog qhov kev txiav txim siab rau kev tsis lees paub thiab rau kev ua kom muaj kev tawm tsam ntawm kev tawm tsam?
Kev qhuab ntuas tau siv los ntawm cov thawj coj loj hauv cov tub rog Romanrau txim rau cov koom haum lossis pab pawg loj ua txhaum cai, xws li kev ua phem, kev tawm tsam, kev tawm tsam, thiab kev tsis ncaj ncees, thiab rau lub pacification ntawm rebellious legions.
Puas yog cov paj hlwb genitofemoral yog cov paj hlwb peripheral?
Cov paj hlwb genitofemoral hais txog paj hlwb uas pom hauv plab. Nws cov ceg, ceg ntawm qhov chaw mos thiab cov ceg femoral muab kev nkag siab rau sab sauv sab xub ntiag, nrog rau daim tawv nqaij ntawm lub qhov quav sab hauv ntawm cov txiv neej thiab mons pubis hauv cov poj niam.
