《儿科学》课程教学课件(PPT讲稿)10 Haematopoiesis and Blood Cell Counts

Contents-BloodSystem1.The development of thehematopoietic System2.Blood Cell Counts3.The introduction of Anemia4.Iron deficiency anemia5.Megaloblastic anemiaHEMATOLOGY/ONCOLOGY,CHILDREN SHOSPITAL
C o n t e nt s―Bl oo d System 1. The deve lopment of t he hematopoietic System 2. Blood Cell Counts 3. The int r oduct ion of Anemia 4. Iron deficiency anemia 5. Megaloblastic anemia HEMATOLOGY/ONCOLOGY, CHILDREN’S H O S P I T A L

Development of theHematopoieticSystem(造血系统的发育)Dr.Jie Yu, MD.ProfessorThe department of PediatricHematology/Oncology,EMATDLOETASROLOGECHTLIRERHUSPITAL
Development of the H e m a t o p oi e t i c System (造血系统的发育) Dr.Jie Yu, MD. Professor The department of Pediatric, Hematology/Oncology, HEMATOLOGY/ONCOLOGY, CHILDREN’S H O S P I T A L

SkullScapulaHumerusRibRadiusUlna7折FemurSamplSkeletonLiverFibulaBonemarrowADAMArteriesofPancreas&Spleen..eadaLhc!whLASIBloodvesselSpleen
Skeleton Bone marrow Liver Spleen Blood vessel

RedBloodCeNeutrophilLymphocyteLymphocMarrowMonocyteWhiteBloodCellsBasophilEosinophilMonacyteNeurophilBasophil


In the embryo and fetus,constant changes characterizeall phases of hematopoiesisHematopoiesis造血lHematopoietic造血的HEMATOLOGY/ONCOLOG, CHILDREN'SHOSPITAL
I n t h e e m b r yo a n d f e t u s , c o n s t a n t c h a n g e s c h a r a c t e r i z e a ll p h a s e s o f h e m a t o p o i e s i s . Hematopoiesis 造血 Hematopoietic 造血的 HEMATOLOGY/ONCOLOGY, CHILDREN’S H O S P I T A L

Contents& Aims Hematopoietic organ. Hematopoietic blood cellsHematopoiesis造血Hematopoietic造血的HEMATOLOGY/ONCOLOGYCHILDRENSHOSPITAL
C o n t e n t s & Aims • Hematopoietic organ • Hema t opoiet ic blood ce lls Hematopoiesis 造血 Hematopoietic 造血的 HEMATOLOGY/ONCOLOGY, CHILDREN’S H O S P I T A L

Development ofHematopoieticOrgans·Fetal hematopoiesis-Mesoblastic Hematopoiesis(中胚层)(肝脏)-Hepatic Hematopoiesis(骨髓)-Myeloid HematopoiesisHematopoiesis after birthHEMATOLOGY/ONCOLOGY,CHILDREN SHOSPITAL
D e v e l o p m e n t of Hematopoietic Organs • Fetal hematopoiesis –Mesobla st ic Hema t opoiesis (中胚层) – Hepatic Hematopoiesis – Myeloid Hematopoiesis (肝脏) (骨髓) • Hema t opoiesis a ft er birt h HEMATOLOGY/ONCOLOGY, CHILDREN’S H O S P I T A L

·Table l. Fetal HematopoiesisYTSITESTIMEPRODUCYolkMeasoblastic10-14thdayErythroidSac(红系)3-4wk:primitiveblastshematopoisis10-12wk:ceasedHepatic6-8wk:appearLiverErythroid12-16wk:activehematopoiesiSSpleen6mo:diminish/stopatbirthMyeloidBone4mo:startErythroidNeutrophilshematopoiesimarrow6mo:increase/steadyMacrophagesafterbirth:theonlySHEMATOLOGY/ONCOLOGY,CHILDREN'S HOSPITAL
SITES TIME PRODUC Measoblastic hematopoisis Yolk Sac 10-14th day 3-4wk:primitive blasts 10-12wk:ceased Erythroid (红系) Hepatic hematopoiesi s Liver Spleen 6-8wk:appear 12-16wk:active 6mo:diminish/ stop at birth Erythroid Myeloid hematopoiesi s Bone marrow 4mo:start 6mo:increase/steady after birth: the only Erythroid Neutrophils Macrophages Table 1. Fetal H e m a t o p o i e s i s HEMATOLOGY/ONCOLOGY, CHILDREN’S H O S P I T A L

O3?胎儿期造血生后造血100爱肝脏县椎骨福75marrow胸骨50股骨胫骨肋骨252345S678910203040506070胎儿(月)年龄(岁)出生图28-1胎儿期和生后造血Trimester·三个月,学期
Trimester 三个月,学期
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