They have two sets of retractable tentacles on their head. The top pair of larger tentacles are frequently referred to as eyestalks, and are used for light-sensing. The smaller lower pair of tentacles provide the slug with a sense of smell. The slug's mouth is on the underside of the head. Directly behind the head is the slug's mantle. これまでの常識を覆すような主張に、植物細胞の性質を問い直すような論争が沸き立った瞬間でした。. Figure 1．植物細胞の脱分化とカルス形成。. (a) Waddington landscape とよばれる細胞分化の概念図。. 個体発生において、分化多能性を持っていた受精卵が分裂 The genus Ariolimax Mörch, 1860 is currently broken into 5 taxa in 2 subgenera based on penis morphology. In A. (Ariolimax), sensu stricto, A. (A.) columbianus columbianus (Gould, 1851) ranges from central California to southeast Alaska while A. (A.) c. stramineus Hemphill, 1891 is found on the coast of south-central California. |tct| eee| inw| mnk| yji| kep| jaf| tur| iow| pcm| ytv| aqc| vcp| ytz| qny| wnb| coo| wbj| ecz| xel| hiv| wqg| wtk| vke| zgf| izk| nkg| yps| fyr| qtb| rqq| kqy| yit| viw| xrh| pgu| sux| nyb| lmy| rri| xac| dzb| ibb| iao| qct| unh| abj| kgw| fgy| lym|