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Schematic of cell adhesion. Cell adhesion is the process by which cells interact and attach to neighbouring cells through specialised molecules of the cell surface. This process can occur either through direct contact between cell surfaces such as cell junctions or indirect interaction, where cells attach to surrounding extracellular matrix, a gel-like structure containing molecules released ...
Adherent cells require a surface, such as tissue culture plastic or microcarrier, which may be coated with extracellular matrix (such as collagen and laminin) components to increase adhesion properties and provide other signals needed for growth and differentiation. Most cells derived from solid tissues are adherent.
Adherent cell cultures are a type of cell culture that requires cells to be attached to a surface in order for growth to occur. [1] Most vertebrate derived cells (with the exception of hematopoietic cells) can be cultured and require a 2 dimensional monolayer that to facilitate cell adhesion and spreading. [2]
The development of the nervous system in humans, or neural development, or neurodevelopment involves the studies of embryology, developmental biology, and neuroscience.These describe the cellular and molecular mechanisms by which the complex nervous system forms in humans, develops during prenatal development, and continues to develop postnatally.
In cell culture biology, confluence refers to the percentage of the surface of a culture dish that is covered by adherent cells.For example, 50 percent confluence means roughly half of the surface is covered, while 100 percent confluence means the surface is completely covered by the cells, and no more room is left for the cells to grow as a monolayer. [1]
The best-characterized ligand for the three selectins is P-selectin glycoprotein ligand-1 , which is a mucin-type glycoprotein expressed on all white blood cells. Selectins have been implicated in several roles but they are especially important in the immune system by helping white blood cell homing and trafficking. [20]
Adult neurogenesis is the process in which neurons are generated from neural stem cells in the adult. This process differs from prenatal neurogenesis . In most mammals, new neurons are born throughout adulthood in two regions of the brain: [ 3 ]
Adult development is a somewhat new area of study in the field of psychology. Previously it was assumed that development would cease at the end of adolescence. Further research has concluded that development continues well after adolescence and into late adulthood.