Dictionary
germ line
noun
Definition of GERM LINE
: the cellular lineage of a sexually reproducing organism from which eggs and sperm are derived; also : the genetic material contained in this cellular lineage which can be passed to the next generation
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First Known Use of GERM LINE
1925
Medical Dictionary
germ line
noun
Medical Definition of GERM LINE
: the cellular lineage especially of a sexually reproducing animal from which eggs and sperm are derived and in which a cell undergoing mutation can be passed to the next generation <the difference between gene therapy of somatic cells and modification of the germ line—David Baltimore>
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