Umsebenzi zegazi kwabantu. Ngowuphi umsebenzi olwenziwa zegazi

IiPlatelets njengenye yeekhomponenti ezinkulu igazi labantu. Iingcali Siyaleza ukugcina zabo eqhelekileyo, okanye umngcipheko ukwanda kwezifo ezibulalayo. Kungenxa yoko le nto kubaluleke kakhulu ukwazi ukuba umsebenzi lwenziwa yi ziiplatelets.

nezimaphambili ezingundoqo

Zegazi amacandelo igazi ajikelezayo leyo inxaxheba hemostasis normalizing. Xa isakhiwo ezincane esiseleni, musa ukuba umphakathi. ububanzi sabo 3 microns. Ziye ke zakha megakaryocytes kwi umongo wethambo. Xa egazini, ezi zinto zihlala ukusuka kwiintsuku ezi-5 ukuya kwi-11. Ke bawatshabalalisa udakada wesibindi.

Xa kokuphumla zegazi abe imilo ahanjiswa ye diski. Ngexesha kusebenze, ukuba adumbe yaye babe efana kwinqanaba. Ekubeni umsebenzi omkhulu zegazi e imithambo yegazi ukunciphisa ukhuseleko cuts, zakha outgrowths ethile ebizwa pseudopodia. Ngezi lunamaqoqo ithole apha omnye komnye, ngamanye lihamba kwi inyathelo udibaniso. Emva koko iiseli ngqo isahlulo umonakalo le nqanawa. Le ikhono ngokuba adhesion. Kuyaphawuleka ukuba zegazi bayakwazi kuphosa inqwaba igazi luncedo micro-amacandelo, njenge-enzayim, serotonin, ADP, lwefibrinogen kunye nabanye. Oku buyazohlula kwezinye iiseli ezibomvu.

umsebenzi ekhaya zegazi

Njengoko yaziwa, ezi seli igazi athathe inxaxheba kwinkqubo amahlwili, okt kwi hemostasis. Lo ngowona msebenzi ungundoqo ziiplatelets. Kaloku umzimba womntu, le nkqubo yenye yezinto ezisemqoka. It ikuvumela ukuba ukunqanda ukopha ezibalulekileyo ngexesha umonakalo omkhulu.

Nale umsebenzi zegazi babantu, iindonga imithambo kuba ngokomelela. Tau mfutshane ixesha ucingo yokwenzakala. Enyanisweni, ezi seli igazi badlale indima plug ephambili yegazi. Ukusibutyaza ithatha indawo yi impefumlelwano enzyme, iiprotheni kunye malunga namacandelo-40. Oku yindlela entsonkothileyo kakhulu zebhayoloji apho indima engundoqo edlalwa zegazi, prothrombin kunye lwefibrinogen. Ukusebenzisana ezi zinto kwenzeka kwi plasma yegazi.

umsebenzi zegazi Auxiliary

Ukongeza iimpawu zokhuseleko, i-Reds ipleyiti data inomnye uyakwazi luncedo. It sikuko kumandla endothelium inkqubo kwegazi yabantu. Oku iimpahla zegazi umsebenzi zizinto umkhondo kubalulekile ukuba negalelo kuqheleke nokungena corpuscles ebomvu kunye nokusebenza ngokubanzi izibilini. Ukusuka kule ndawo, neqondo lokhuselo komzimba kuxhomekeke kakhulu kwi (sifo).

Kwakhona, izinto igazi othatha inxaxheba ekuzalweni okutsha, oko kukuthi, xa ukuphiliswa izicwili emva yokwenzakala. Le isiphumo kuzuzwa ngokwahlula inkqubo olukhawulezisiweyo kunye ukukhululwa nempahla. Ngamanye amazwi, umsebenzi zegazi Ukuxinana kusenokwenzeka inxenye umonakalo. Ngaphezu koko, benza igalelo ekukhuleni olukhawulezisiweyo iiseli abachaphazelekayo. Phantsi inkqubo kwathetha ukwahlulwa iimolekyuli polypeptide. Ngexesha zegazi kusebenze kwenzeka kunye nokukhula fibroblasts. Kwakhona ngalo mzuzu wavelisa microcomponents unoxanduva inguqu iseli kunye nokufunyanwa level-insulin.

yinto yamihla le

Xa abantu, neeplatelets kufuneka sihlale imida yavuma. Ngokubanzi, uhlalutyo banikwa amaxabiso ilitha 1 ngalinye legazi. Ingakumbi ukurekhodwa ngolu hlobo lulandelayo: x10 ⁹ / l. ISithethe ukuba omdala inani zegazi ku ezahlukene nemivo ukusuka ku-200 ukuya kuma-400. Abafikisayo eyi-15 ukuya kwi-18, la manani - 180-420. Abantwana ukuya kutsho kwiminyaka eli-15 umgangatho iiseli aguquguquka ukusuka iiyunithi ezili-150 ukuya 450. Xa kubelekwa, zisembundwini ubuncinane yi-100, kunye ubuninzi - 400.

Kubalulekile ukuphawula ukuba imazi ngaphandle zegazi ibe ngezantsi kancinane imigangatho ngasentla. Oku kuxhomekeka kwiimpawu komzimba kunye neqondo hormone. Ukongeza, ngexesha sexesheni ubuncinane threshold zegazi count kusithwa kabukhali ngenxa yokulahleka igazi. Imeko efanayo iqatshelwe abafazi abakhulelweyo, xa kuthethwa kwinqanaba iiseli okungenisa ukuze yehla kakhulu. Oku kubangelwa kukwanda umthamo ulwelo egazini. Ngako oko, xa kuhlalutywa kukuhla zaphawula kwi inani micro-amacandelo. Kubalulekile ukuqonda ukuba izalathi ngamanani zegazi - loo nto ingongoma. Iziphumo zohlalutyo na kunjalo kuyimfuneko ukuba udibane nogqirha ukuze enze izifundo ezongezelelweyo ukujonga ukusebenza yezenzo zabo. Le nkqubo ibizwa ngokuba coagulation.

Ezinxaxhileyo noonobangela bazo

Ukuba uvavanyo igazi wabonisa ukuba umzimba ukunqongophala okanye ngokugqithiseleyo ye zegazi imfuneko engxamisekileyo ukuba bapase iimviwo lonyango olongezelelweyo. Nguwo lowo umqondiso isilumkiso wokuqala okubonisa uphuhliso ukugula kakhulu.

Ekubeni zegazi zibalulekile igazi kwaye kubalulekile, nayiphi na ukutenxa kumgaqo kuchaphazela imeko yeli umzimba. Ukunciphisa inani leseli kwandisa umngcipheko yokuphilisa elide nkqu umonakalo encinci. Ngamanye amazwi, igazi ekunqandeni kuncitshiswe. Ngokwandisa umgangatho zegazi isebenze zikhusela. Kulo mzekelo, i migqomo iya kuyilwa compound enkulu ephula yegazi. Ngenxa yoko, kukho umngcipheko wokuba egazi. nokuphambuka ngesiquphe zakhe zonyango kusenokuba kubonisa somhlaza kusekwangoko.

Kuba uthintelo kunye nokugcinwa zegazi ukubala, oogqirha bacebisa isondlo esifanelekileyo. Yokudla usoloko emininzi kufuneka ibe ivithamin B12 kunye folic acid.

Ukuncipha zegazi ukusebenza

Le meko yenzeka xa kukho ukuhla kakhulu kwamanani lokuzivuselela iiseli egazini. Ngenxa ukuhla amalungu zangaphakathi angenwe lula zizifo. Le yingozi kakhulu ophezu kwesibindi kunye ndlala. Izizathu ukunciphisa inani zegazi kunye nokusebenza kwabo kufikelele izifo ezifana nemasisi, wegazi, yimasisi. Eyona ibuhlungu kwezi umhlaza. Ukongeza, ukwehla waphawula kwizigulane emva ichemotherapy, njengoko kunjalo kwimeko libanda aspirin emzimbeni. Ezinye antibiotics enamandla kunokukuchaphazela kakubi kakhulu ukukhula iiseli zegazi.

Amanqanaba Ukuncipha zegazi kufuna unyango enyanzelekileyo. Ubukhulu becala ugqirha kufuneka umisele izinto imithi. Kwabakho endaweni lwesibini idayethi imifuno zokuthintela. iindlela zemveli ezingenamandla, yaye kucothe unyango kungakhokelela imiphumo engenakuphepheka. Kubalulekile ngexesha prophylaxis athathe ithinasi igazi, ezifana analgesics, "aspirin," iqela sulfa.

i ngokugqithiseleyo of zegazi

Ukwandisa izinga iiseli okungenisa uthetha somhlaza. Ukongeza, ichaphazela imisebenzi abangabancedani ka ziiplatelets. Ingalingani kweeseli kwakhona kunokwenzeka kunye nokudumba okanye uqhaqho ilandelayo ukususa i udakada. imeko yomntu ngamnye abe ukopha enkulu ngaphakathi.
I-okukhawulezayo ukwanda zegazi kwimikhumbi yegazi wambumba emboloobrazovaniya. Le ngxaki ifuna isisombululo ngokukhawuleza. Kufuneka kuqatshelwe ukuba self ayiniki ziphumo. Kukho nje kuphela unyango imithi. Amachiza zixhaphakileyo ziyakwazi ukuchongeka "pirabutol" yaye "aspirin". Kubalulekile kwakhona ukuba ukuphepha nakuphi na sindisa lomzimba.

amathuba izifo

Ngokuthotywa umgangatho zegazi emngciphekweni omkhulu igazi aplastic, isifo Verlgofa kunye Gaucher tsitopenichesky purpura.

Ngenxa yokwanda kwenani amacwecwe ebomvu yegazi kukho ithuba ze umkhuhlane kunye hemolytic syndrome. Kodwa ke kuqala kufuneka ikhangelwe umhlaza.

Ukophulwa zegazi iziphumo udibaniso kunye adhesion e Bernard-Soulier syndrome, von Willebrand Pudlaka, Scott.

Phezu ukusilela yokucolwa iiseli ezibomvu waphawula yegazi, isifo sentliziyo kobuchopho, isifo cerebrovascular kunye emithanjeni, isifo seengcongconi, isifuba, kunye nomhlaza.