planarian 的定义
Zoology.
- any of various free-swimming, mostly freshwater flatworms of the class Turbellaria, having an undulating or sluglike motion: popular in laboratory studies for the ability to regenerate lost parts.
更多planarian例句
- Wang uses statistical physics to figure out how planarians regenerate entire organs cell by cell.
- Chromatic jamming appears to be key to how the planarian brain comes together, guiding single cells into neighborhoods that are a driving force in organ development, he says.
- Slice a planarian into pieces and, within a week or two, each chunk will grow into a new flatworm — head and all.
- Flat against the stone and not easily perceived may be a chiton, a planarian worm, or a nudibranch.
- It is now nearly forty years since the presence of chlorophyl in certain species of planarian worms was recognized by Schultze.
- Among the lowest forms of worms are the Planarian worms, already alluded to as examples of the third grade of animal existence.
- These are planarian worms, and though not of prepossessing appearance generally, are extremely interesting animals to study.
- The planarian worms that I have just been telling about are monsters.