Tag Archives: morphogenesis
Our psychological ‘arrow of time’ is conditioned by the Second Law of Thermodynamics, i.e. by the law of increase in entropy. A drop of blue ink will spread in water, as would white milk in black coffee.
Gonad development requires the integration of multiple cell types of various origins. Testis development in particular depends on the crucial step of vascular endothelial cell migration from the mesonephros (the embryonic kidney) into the neighboring gonad tissue.
Imagine if you had to construct an intricate factory consisting of layered platforms interconnected with long tubes, using Lego pieces. The task would become more complex if this assembly would have to be periodically dismantled and rapidly
When a virus infects a cell it changes a lot of the cells functions and behavior to its own benefit. The virus reproduces inside the cell and forces it to release many new virus particles which can