gemmule


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gemmule

[′je·myül]
(biology)
Any bud formed by gemmation.
(invertebrate zoology)
A cystlike, asexual reproductive structure of many Porifera that germinates when proper environmental conditions exist; it is a protective, overwintering structure which germinates the following spring.
(neuroscience)
A minute dendritic process functioning as a synaptic contact point.
References in periodicals archive ?
Unfortunately, these proposed gemmules were nowhere to be seen.
If pangenesis operated properly and the gemmules were transferred, he predicted that the offspring from those rabbits would not breed true.
Gemmules were lightly visible throughout the sample and were brown to black in color (Figure 1, left).
Hatching of freshwater sponge gemmules after low temperature exposure: Ephydatia mulleri (Porifera: Spongillidae).
aspinosa was tentative, as gemmules are required for positive confirmation; and we could not find any.
The minute message-carrying gemmules were thought to be released by all organs in the body (i.
Darwin had some famous misunderstandings due to the gaps in scientific knowledge in his time, for example his mechanism of inheritance via gemmules (Darwin, 1871), but Table 1 lists only content in the first edition of On the Origin of Species (Costa, 2009).