Glossary of "Life (9th ed.)" by Sadava et al. (2011)
- A open-ended growth pattern in which an organism or organ continues to grow as long as it lives; characteristic of some animals and plant shoots and roots. (Contrast with determinate growth.)
- Sadava, D., Hillis, D. M., Heller, H. C. & Berenbaum, M. R. 2011. Life: The Science of Biology, 9th ed. -xliv + 1266 pp. Sinauer Associates, Inc., Sunderland.