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| a mature sexual reproductive cell, such as a sperm or egg, that unites with another cell to form a new organism |
| occurring across a membrane, as an electric potential or the transport of ions or gases |
subfamily sub·fam·i·ly (sŭb'fām'ə-lē)
n.
A taxonomic category ranking between a family and a genus.
| subfamily (sŭb'fām'ə-lē) Pronunciation Key
A subdivision of a family of organisms, containing one or more genera. The names of subfamilies in the animal kingdom typically end in -inae, as in Cerambycinae, a subfamily of the longhorn beetle family Cerambycidae. |