A choroid plexus cyst is a buildup of fluid found in the choroid section of an unborn baby’s brain. It’s estimated that choroid plexus cysts happen in about 2% of pregnancies, usually during the ...

New work offers an unprecedented real-time view of the choroid plexus in a mouse model, providing a glimpse of how disturbances of the mother's immune system during pregnancy disrupt the developing ...

Once viewed merely as a producer of the cerebrospinal fluid (CSF) bathing the brain and spinal cord, the choroid plexus is now known to be a key player in brain development and immunity. These fronds ...

Protective borders between the brain and the blood weaken with age. This includes the barrier formed by tightly linked epithelial cells in the choroid plexus, which generates cerebrospinal fluid. In ...

Floating in fluid deep in the brain are small, little understood fronds of tissue. Two new studies reveal that these miniature organs are a hotbed of immune system activity. This activity may protect ...