The blood-cerebrospinal fluid barrier, which provides protection for the meninges against microbial infection, includes the following:Question 2Select one:a.Tight junctions between fenestrated capillary endothelial cells, and a basement membrane and astrocyte footplates that surround each capillaryb.The dura, arachnoid and pia mater that make up the meninges, the tight junctions between each capillary endothelial cell and a thick basement membrane surrounding each capillaryc.Tight junctions between non-fenestrated capillary endothelial cells, and a thick basement membrane and astrocyte footplates that surround each capillaryd.Fenestrated capillary endothelial cells, tight junctions between choroid plexus ependymal cells, and a basement membrane surrounding each capillary

Which of the following components is the most important contributor to the barrier properties of the blood-brain barrier?Group of answer choicesbinding proteins in the bloodpericytes around blood vesselsastrocyte end-feet encircling blood vesselstight junctions between endothelial cells in blood vesselsthe presence of transporters for some substances in endothelial cells of blood vessels PreviousNext

Question 21 ptsWhich of the following statements is CORRECT regarding the blood-brain barrier?Group of answer choicesmicroglial cells help the endothelial cells to form the blood-brain barrierpericytes form tight junctions between endothelial cells in blood vesselsbrain capillaries lack fenestrations and have high pinocytosistight junctions open and close to control the passage of material through the intercellular spacesthe vascular basement membrane contributes to the integrity of the blood-brain barrier

Protective membranes called meninges surround the spinal cord as well as the

The blood-brain barrieruses chemical signals to communicate with the spinal cord.provides support to the brain tissue.tightly regulates the intracellular environment of the CNS.is formed by oligodendrocytes.filters the entry of solutes from the blood into the cerebrospinal fluid.SubmitRequest Answer

Which type of glial cells, together with brain capillaries, are responsible for maintaining the blood-brain barrier?Multiple choice question.MicrogliaEpendymal cellsOligodendrocytesAstrocytes