calyptrogenn.

/kəˈlɪptrədʒɛn/

Etymology: < Greek καλύπτρα covering + -gen comb. form taken in sense of ‘producer’.

Botany.

The outer zone or layer of the meristem or primary tissue of the youngest part of plants.

ΘΚΠ

the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > meristem

meristem1872

plerome1875

protomeristem1880

calyptrogen1881

perimeristem1884

pleroma1890

promeristem1898

1881 Nature 27 Jan. 288/1 Four zones of meristem: calyptrogen, dermatogen, peroblem and plerome.

1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 9 Since this accession originates in certain cases from a special layer of meristem, the latter is to be distinguished as the calyptrogen.

This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2018).

单词	calyptrogen
释义	calyptrogenn. /kəˈlɪptrədʒɛn/ Etymology: < Greek καλύπτρα covering + -gen comb. form taken in sense of ‘producer’. Botany. The outer zone or layer of the meristem or primary tissue of the youngest part of plants. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > meristem meristem1872 plerome1875 protomeristem1880 calyptrogen1881 perimeristem1884 pleroma1890 promeristem1898 1881 Nature 27 Jan. 288/1 Four zones of meristem: calyptrogen, dermatogen, peroblem and plerome. 1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 9 Since this accession originates in certain cases from a special layer of meristem, the latter is to be distinguished as the calyptrogen. This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2018). < n.1881
随便看	θ65446 θ65447 θ65448 θ65449 θ6545 θ65450 θ65451 θ65452 θ65453 θ65454 θ65455 θ65456 θ65457 θ65458 θ65459 θ6546 θ65460 θ65461 θ65462 θ65463 θ65464 θ65465 θ65466 θ65467 θ67419