细胞的分化 课件 人教版高中生物必修一.pptxVIP

Macrophages

PateletsMonocytes

Megakaryocytes

Granulogytes

Myeloid

Erythrocytesprecursor

(redbloodcells)

Osteoblasts

(bone)

Chondrocytes

(cartilage)Mesenchymal

stemcells

Myocytes

(skeletalmuscle)

Aveolar

lungcells

Multipotent

cells

Gut

progenltors

Pancreatic

Stromal

cells

Adipocytes

(fat)

Neurons

Pigmentcells

Upoblastsl

preadipooytes

Neural

stemcells

Melnoyteprecursor

Keratinocyte

epidermalskincells

Mulitpotent

precursors

Keratinocytestem/progenit

orcells

,Mesodermal.

progenitors

Endodermal

EctodermalProgenitors

progenitors

PLURIPOTENT

CELLS

Pancreaticprogenltors

Hepatic

Thyrold

endocrinecells

(Bcells)

Pancreatic

exocrinecells

Hepatocytes(liver)

Thyroidcells

一、细胞分化

概念：在个体发育中，由一个或一种细胞增殖产生的

后代，在形态、结构和生理功能上发生稳定性差异的过程，叫做细胞分化。

Lymphatic

vascular

cells

,Endothelial

progenitors/

stemcells

Cardiac

endothelial

cells

Cardiac

musdlecells

Secondheart

fieldCardac

progenitorsconduction

Firstheartcells

field

HUMANEMBRYONIC

(TOTIPOTENT)STEMCELL

Tracheo-bronchialcells

Gutepithelialcells

Hematopoleticstemcells

progenitors/

stemcells

lungprecursor

Cardiac

progenltors

progenltors

neuralcrest

Lymphodprecursor

Arteries,

veins

progenitors

Nkcells

Bcells

cells

Hematopoieticstemcell

持久性、稳定性、

不可逆性、普遍

性

Stromalstemcell

Adi

Bone

细胞分化的特点：

Monocytelmacrophage

Platelets

Marrow

adipocyte

-

Pre-dsteoblast

Skeletalmusclestemcell?Hepatocytestemcell?

Osteocyte

Hematopoieticstemcell

Bone(orcartilage)

Osteoblast

Liningcall

Tlymphocytes

Blymphocyte

Naturalkiller

(NK)cell

Lymphoid

progenitor

cell

Redbloodcells

Hematopoieic

Basophil

Easinophil

Multipotentialstemcell

supportivestroma

Myeloid

progenitor

Neutrophil

cell

√根尖的分生区细胞不断分裂、分化，

形成成熟区的输导组织细胞、薄壁组织细胞、根毛细胞等

√胚珠发育成种子，子