Germline
ahd-5
noun.
The gamete-producing cells in a sexually reproducing organism, by means of which genetic material is passed on to subsequent generations.
noun.
The collection or sequence of such cells in an individual and all its descendants.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
those
cells
of an
individual
that have
genetic
material
that could be passed to
offspring
; the source of
gametes
Word Usage
"And it never gets passed to offspring unless it's incorporated in germline cells."