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