Yuav ua li cas yog platelets, thiab yog dab tsi yuav tsum tau lawv theem nyob rau hauv cov ntshav

Cov neeg uas tsawg kawg yog ib zaug nyob rau hauv nws lub neej yuav tsum tau pub yus cov ntshav, yeej them xim rau lub fact tias, nrog rau lwm yam kev ntsuas, soj ntsuam ntawm tus tsom xam yog yuav luag ib txwm tam sim no cov nqe lus xws li ntshav dawb, qe ua ntshav khov, cov ntshav liab thiab thiaj li nyob. P. Nrog ib tug hais txog ntawm cov theem ntawm concentration ntawm lub hlwb nyob rau hauv ib microliter ntawm cov ntshav. Tsib ntawm tib neeg lub cev nyob rau hauv lub tsev kawm ntawv yog tsis nyob rau hauv tag nrho, thiab to taub zoo li cas cov xeem tau txhais tau tias, txhua leej txhua tus xav tau kev pab. Yog li ntawd, tsis muaj mob yuav tsum sau qhov khoob nyob rau hauv kev txawj ntse thiab thaum kawg nrhiav rau koj tus kheej li cas cov qe ua ntshav khov, dab tsi yog lawv lub luag hauj lwm nyob rau hauv peb lub cev, thiab dab tsi txiav txim lawv tus xov tooj nyob rau hauv cov ntshav.

Txawv txawv "platelets"

Ua ntej, peb nco ntsoov tias yog cov ntshav. Qhov no yog tsim nyog rau lub neej ntawm cov kua muaj txog 40-45% ntawm cov tsim cellular ntsiab thiab 60-65% ntawm cov ntshav nyob rau hauv uas yaj ntsev, vitamins thiab proteins. Ib tug me me ib feem - ib tug dawb (leukocytes) thiab liab hlwb (erythrocytes). Dhau li lawv tseem muaj platelets. Nyob rau hauv qhov tseeb, lub tom kawg yuav tsis muab suav hais tias muaj tseeb hlwb vim hais tias lawv muaj tsis muaj keeb. Thaum nyob rau hauv 1842 nyob rau hauv Fabkis Donna Alexander pom lawv nyob rau hauv cov ntshav, nws txiav txim siab los hu rau lawv tus platelets. Thaum cov kws kho mob tsis tshua paub dab tsi platelets. Lawv lam xav hais tias cov me me hais pab raws li ib lub hauv paus rau cov tsim cov ntshav liab thiab, hmoov tsis, tsis tau muab lawv vim qhov tseem ceeb. Incidentally, nyob rau hauv cov lus Askiv-cov lus ntawv nyeem, lub sij hawm "platelets" thiab tseem nyob, tab sis nyob rau hauv lub Lavxias teb sab lus ntau tshaj ntes tau cov lo lus "platelets". Cov yav tas lub npe yog muab los ntawm cov Greek trombos (los khov rau ntawd) thiab kytos (cell).

Yuav ua li cas yog platelets thiab lawv lub luag hauj lwm

Cov hais feem ntau muaj ib tug dawb los yog yeej zoo lawm. Tej zaum lawv zoo li me me hnub qub. Lawv txoj kab uas hla mas nws txawv ntawm 1.5-10 microns (1 micron sib npaug 10 ^-6 meters). Vim li ib tug me me luaj li cas tsis muaj ib tug tshuab mus saib dab tsi hauv lub platelets, nws yog tsis yooj yim sua. Yog hais tias, ces nws yuav tsum kaum lub sij hawm tsawg piv lawv cov nqi nrog lub thickness ntawm ib tug tib neeg cov plaub hau. Txoj kev "platelets" ntawm giant hlwb nyob rau hauv lub hlwb pob txha. Los ntawm no "Hoobkas", lawv nkag mus hauv cov hlab ntsha, kuv nyob qhov twg thiab qhov luaj li cas ntawm 8 rau 11 hnub. "Hnav" platelets mus rau hauv lub siab, tus po thiab lub ntsws, uas yog hloov dua siab tshiab rau hauv "raw khoom" rau qhov kev siv ntawm lwm yam ntaub so ntswg. Lub ntsiab muaj nuj nqi ntawm cov hais yog los mus tiv thaiv kev raug mob nyob rau hauv cov kev tshwm sim ntawm ib tug loj tsis ntawm cov ntshav. Rau lub hom phiaj no lawv pab platelets raws txog ntsha phab ntsa thiab nyob rau slightest kev puas tsuaj rau lub sam xeeb ntawm ntaub so ntswg tam sim ntawd ntes txuag kab mob. Plam nruab nrab ntawm lawv, lawv tsim ib tug los khov rau ntawd, uas, xws li ib thaj "glues lub" ruptured txog ntsha phab ntsa, li no tiv thaiv cov ntshav khiav tawm.

Platelet theem: yuav ua li cas nws yuav tsum tau?

Nyob rau nruab nrab, feem ntau cov neeg no daim duab yog hais txog 200 units. nyob rau hauv lub 1 hli, whereas lub cev yog nyob rau hauv ntau ntawm 150 mus rau 300 units. platelet theem vim phais cov txheej txheem los yog inflammatory kab mob (e.g., rubella, kab mob siab, SARS) yuav muab ntau zog. Nyob rau hauv lem, tus tsis muaj "platelets" yuav qhia lub xub ntiag ntawm leukemia, muaj hnub nyoog txog kev hloov, mob ntshav qab zib, anemia lossis ua xua. Yuav kom platelet theem yog ib txwm zoo, yuav tsum tawm sab nraud ntau zaus, ua ib tug noj qab nyob zoo txoj kev ua neej, ua kom pom tseeb rau tsoos tshuaj. Saib xyuas ntawm koj tus kheej thiab txaus siab rau lub neej - raws li nws yog!