Key Terms

apoptosis 1011

apoptosome 1018

asymmetric cell division 975

Bcl-2 family 1017

BH3-only protein 1014

caspases 1015

cell lineage 975

embryonic stem (ES) cell 977

1023

germ line 990

induced pluripotent stem (iPS) cell 977

meristem 997

multipotent 977

planar cell polarity (PCP) 1008

pluripotent 976

polarity 1000

progenitor (precursor) cell 988

programmed cell death 977

somatic cell 977

stem cell 976

stem-cell niche 989

symmetric cell division 975

totipotent 976

trophic factor 1011