Cov txheej txheem:
Video: Platelet zoo li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Platelets tsis muaj cov cell nucleus: lawv yog cov tawg ntawm cytoplasm uas tau muab los ntawm megakaryocytes ntawm cov pob txha pob txha, uas tom qab ntawd nkag mus rau hauv kev ncig. Circulating unactivated platelets yog biconvex discoid (lens- zoo li tus ) cov qauv, 2–3 µm hauv txoj kab uas hla loj tshaj.
Hauv qhov no, cov xim dab tsi yog platelets?
daj daj
Tsis tas li ntawd, platelets zoo li cas nyob rau hauv lub tshuab microscope? Platelets yog qhov tsawg tshaj plaws ntawm peb hom ntshav loj. Platelets tsuas yog kwv yees li 20% ntawm txoj kab uas hla ntawm cov qe ntshav liab. Nrog tsom me me kev xeem, lawv zoo li lub log liab lossis txiv kab ntxwv nrog lub tiaj, yuav luag nruab nrab pob tshab. Cov qe ntshav dawb yog cov qe ntshav loj tshaj plaws tab sis kuj muaj tsawg tsawg.
Ib yam li ntawd, nws tau nug, cov platelets ua dab tsi?
Platelets yog cov qe ntshav me me uas pab koj lub cev tsim cov hlab ntsha kom tsis txhob los ntshav. Yog tias ib qho ntawm koj cov hlab ntshav puas, nws xa tawm cov cim qhia rau platelets . Cov platelets tom qab ntawd maj mus rau qhov chaw puas. lawv tsim lub ntsaws (khov) txhawm rau kho qhov puas tsuaj.
Dab tsi yog 3 lub luag haujlwm ntawm platelets?
Platelets muaj cov haujlwm hauv qab no:
- Kev zais cov vasoconstrictors uas txwv cov hlab ntshav, ua rau cov hlab ntshav txhaws hauv cov hlab ntsha tawg.
- Ua ib ntus platelet plugs kom tsis txhob los ntshav.
- Secrete procoagulants (cwj pwm) los txhawb cov ntshav txhaws.
- Dissolve cov ntshav txhaws thaum lawv tsis xav tau lawm.
Pom zoo:
Vim li cas tus ko taw rub zoo li zoo?
Ib yam li koj lub caj dab, nraub qaum, thiab lub xub pwg, koj txhais taw kuj tseem tuaj yeem tau txais txiaj ntsig los ntawm kev tshem tawm tsis tu ncua. Footmassage txhim kho kev ncig, txhawb cov leeg, txo qis, thiab feem ntau ua rau mob. Nws tseem muab sijhawm rau koj los tshuaj xyuas koj txhais taw kom koj tuaj yeem dhia ntawm kho cov hlwv, pob, pob txha, thiab teeb meem rau ntiv taw
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