Columbia subject headings:
Cell differentiation.
Cellular control mechanisms.
Developmental cytology.
Germ cells.
Somatic cells.
Harvard subject headings:
Cell differentiation.
Cellular control mechanisms.
Developmental cytology.
Germ cells.
Somatic cells.
Princeton subject headings:
Cell differentiation.
Cellular control mechanisms.
Developmental cytology.
Germ cells.
Somatic cells.