occur through the transfer of organic particles which he named 'gemmules.' Gemmules, which he also sometimes referred to as plastitudes, pangenes, granules...

internal buds. The internal buds are called gemmules. Only endogenous types of buds develop into new sponges. Gemmules are resistant to desiccation (drying out)...

are full of nutrients.: 87–88  Freshwater gemmules may also include photosynthesizing symbionts. The gemmules then become dormant, and in this state can...

developed gemmules as an overwintering mechanism. When exposed to excessively cold or other harsh conditions, the sponges form gemmules. Gemmules are highly...

was that each part of the parent's body emitted tiny particles called gemmules, which migrated through the body to contribute to that parent's gametes...

gemmules. In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula. Gemmules are...

reproduction: by gemmules and by budding. Gemmules: Gemmules are elaborate, highly-resistant resting stages formed by freshwater sponges. Gemmules can be produced...

whole") and genesis ("birth") / genos ("origin"). Darwin used the term gemmule to describe hypothetical particles that would mix during reproduction....

(immature) stages and other life cycle stages: In Porifera: olynthus, gemmule In Cnidaria: ephyra, scyphistoma, strobila, gonangium, hydranth, polyp...

every part of the body emits tiny gemmules which migrate to the gonads and are transferred to offspring. Gemmules were thought to develop into their...