| the reappearance in an individual of characteristics of some remote ancestor that have been absent in intervening generations |
| the subdivision of an organism or of an organ into more or less equivalent parts; cell division |
response re·sponse (rĭ-spŏns')
n.
A reaction, as that of an organism or any of its parts, to a specific stimulus.
| response (rĭ-spŏns') Pronunciation Key
A reaction, as that of an organism or any of its parts, to a specific stimulus. See more at classical conditioning. |