gemmule

/jem-yool/US // ˈdʒɛm yul //UK // (ˈdʒɛmjuːl) //

宝石榴,宝玉石,宝石榴园,宝石榴裙

Definitions

n.名词 noun

1
- : Botany. gemma.
- : Zoology. an asexually produced mass of cells that is capable of developing into an animal, as a freshwater sponge.
- : Evolution. one of the hypothetical living units conceived by Darwin in the theory of pangenesis as the bearers of the hereditary attributes.

The gemmule-spicules, which are usually numerous, are slender.
We can easily conceive a being so small, that a gemmule would be to it as large as St. Paul's would be to us.
The terminal growing bud of the axis is called the plumule or gemmule (g), and represents the ascending axis.
Any part of a gemmule would be an impossible (because a less than possible) quantity.
As a theory the gemmule plot is just as good and just as bad scientifically as Weismann's.