Schliffka et al. show that in the early mouse embryo, hemispherical intrusions, or inverse blebs, grow into cells at cell–cell adhesion sites in response to luminal fluid accumulation and pressure build-up, and may serve as pumps moving fluid into hydraulic sinks.
- Markus F. Schliffka
- Julien G. Dumortier
- Jean-Léon Maître
