Video: Lub cev twg yog lub xov tooj cua tshaj plaws?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
cov noob qes
Tib neeg tseem nug, cov ntaub so ntswg uas muaj hluav taws xob tshaj plaws yog dab tsi?
Cov hlwb Nyob rau hauv cov pob txha pob txha yog undifferentiated, zoo nourished, faib sai thiab nquag metabolically thiab li no yog cov radiosensitive tshaj plaws. hlwb ntawm lub cev.
Kuj Paub, cov kabmob dab tsi cuam tshuam los ntawm hluav taws xob? Cia peb ua lub taub hau-rau-ntiv taw taug kev-los tshuaj xyuas seb cov tshuaj hluav taws xob ntau npaum li cas tuaj yeem ua rau tib neeg lub cev puas tsuaj.
- Lub paj hlwb. Cov paj hlwb (neurons) thiab cov hlab ntshav hauv lub hlwb tuaj yeem tuag, ua rau qaug dab peg.
- Qhov muag. Kev raug hluav taws xob ua rau muaj kev pheej hmoo ntawm cataracts.
- Thyroid.
- Lub ntsws.
- Lub plawv.
- GI kab mob.
- Cov poj niam cev xeeb tub.
- Tawv nqaij.
Raws li, dab tsi yog qhov feem ntau radiosensitive ntawm lub qhov muag?
Lub lens ntawm qhov muag tau ntev tau lees paub tias yog ib qho ntawm feem ntau radiosensitive thaj tsam ntawm lub cev, tab sis peb txoj kev paub txog qhov tsawg kawg nkaus uas yuav tsum tau ua rau cataract hauv tib neeg qhov muag ua scanty.
Dab tsi ntawm cov ntaub so ntswg yog qhov tsawg tshaj plaws radiosensitive?
radiobiology
| Lus Nug | Teb |
|---|---|
| Hom xov tooj ntawm tes twg yog lub xov tooj cua tshaj plaws | Spermatogonia, lymphocytes |
| Cov ntaub so ntswg yam twg yog qhov tsawg tshaj plaws radiosensitive | Lub paj hlwb |
| Sau peb qhov cuam tshuam hluav taws xob thaum ntxov thiab peb qhov cuam tshuam hluav taws xob lig rau tib neeg | Cov tawv nqaij erythema, hloov pauv lub cev, ua rau cytogenetic puas tsuaj; mob cancer, leukemia, cataracts |
Pom zoo:
Lub cev tseem ceeb tshaj plaws hauv koj lub cev yog dab tsi?
Koj lub hlwb tswj hwm thiab tswj hwm txhua txoj haujlwm ntawm koj lub cev thiab yog lub cev tseem ceeb tshaj plaws hauv koj lub cev. Yog li siv koj lub taub hau
Lub koom haum ntawm cov leeg pob txha los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws yog dab tsi?
Skeletal thiab cardiac nqaij fibers. Npaj cov leeg hauv qab no los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws: nqaij fiber ntau, fascicle, myofibril, filament, nqaij. Npaj cov nqaij mos sib txuas hauv qab no los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj: epimysium, perimysium, fascia, endomysium. cov sarcomere
Cov theem twg ntawm lub voj voog ntawm tes yog lub xov tooj cua tshaj plaws?
Cov theem ntawm lub voj voog ntawm tes kuj tseem txiav txim siab txog lub xov tooj ntawm cov txheeb ze ntawm cov xov tooj cua, nrog rau cov hlwb feem ntau cov xov tooj cua nyob rau theem G2-M, tsis tshua muaj siab nyob rau theem G1, thiab tsawg rhiab heev thaum lub sijhawm kawg ntawm S theem
Lub cev loj tshaj plaws thib ob ntawm lub cev yog dab tsi?
Cov tawv nqaij ntawm tus neeg laus nruab nrab muaj thaj tsam ntawm ntau dua 21 square feet thiab suav txog 6% mus rau 10% ntawm koj lub cev qhov hnyav, tawm ntawm daim siab, koj lub cev thib ob loj tshaj plaws, uas suav txog kwv yees li 2.5% ntawm koj lub cev hnyav
Vim li cas daim tawv nqaij yog lub cev loj tshaj plaws hauv lub cev?
Daim tawv nqaij yog lub cev loj tshaj plaws ntawm lub cev, nrog thaj tsam ntawm 20 square feet. Cov tawv nqaij tiv thaiv peb ntawm microbes thiab cov ntsiab lus, pab tswj lub cev kub, thiab tso cai rau kev hnov mob, kub, thiab txias