Drawings of some cells:(a)an osteocyte (bone cell), (b)a sperm, (c)a pancreatic and (d)a neuron (nerve cell)
A schematic diagram of an animal cell accompanied by electron micrographs of its organelles
Figure 4
A drawing of a plant cell accompanied by electron micrographs of its organelles.
Scale drawings of some prokaryotic cells
A schematic diagram of a prokaryotic cell
An evolutionary tree indicating the lines of cellular life on earth
受精卵 全能細胞
多功能幹細胞胚胎
嬰兒
Gearhart 博士所提取之原始生殖細胞
實驗室培養多功能幹細胞
Thomson 博士所提取之多功能幹細胞
全能細胞
多功能幹細胞
血液幹細胞
其他幹細胞
紅血球 白血球 血小板