Lub siab thiab spleen yog qhov chaw tseem ceeb ntawm extramedullary hematopoiesis. Lwm yam kabmob xws li lub ntsws, lub raum, thiab cov kab noj hniav tuaj yeem dhau los ua qhov chaw ntawm hematopoiesis thaum nyob rau hauv cov kab mob.
Dab tsi yog extramedullary hematopoiesis thiab nws tshwm sim qhov twg?
Extramedullary hematopoiesis (EMH lossis qee zaum EH) yog hais txog hematopoiesis tshwm sim sab nraud ntawm medulla ntawm cov pob txha (pob txha pob txha) Nws tuaj yeem ua lub cev lossis kab mob. Physiologic EMH tshwm sim thaum lub sij hawm embryonic thiab fetal kev loj hlob; Thaum lub sij hawm no lub ntsiab qhov chaw ntawm fetal hematopoiesis yog daim siab thiab tus po.
Nws puas tuaj yeem muaj extramedullary hematopoiesis thaum muaj hnub nyoog?
Extramedullary hematopoiesis (EMH) qhia txog kev tsim cov erythroid thiab myeloid progenitor cells sab nraum cov pob txha. EMH nyob rau hauv cov neeg laus feem ntau pom nyob rau hauv cov neeg mob uas muaj myeloproliferative neoplasms (MPNs) tab sis nws cov koom haum kuj nrog rau lwm yam mob, xws li thalassemia, tau ntev tau lees paub 1.
Lub cev ua li cas hematopoiesis tshwm sim?
Tom qab yug me nyuam, thiab thaum yau, hematopoiesis tshwm sim hauv cov pob txha liab ntawm pob txhaNrog hnub nyoog, hematopoiesis yuav txwv rau pob txha taub hau, sternum, tav, vertebrae, thiab pelvis.. Cov pob txha daj, muaj cov rog rog, hloov cov pob txha liab thiab txwv nws lub peev xwm rau hematopoiesis.
Dab tsi yog cov kab mob hematopoietic tseem ceeb?
Nyob rau hauv cov neeg laus thiab cov txiv neej, lub ntsiab hematopoietic organ yog cov pob txha pob txha, qhov twg cov qe ntshav liab (erythrocytes), cov qe ntshav dawb (granular leukocytes), cov ntshav platelets. (thrombocytes), thiab qee cov qe ntshav dawb agranular (lymphocytes) raug tsim.…
