Chapter 11 Assignment

Front

What is adult neurogenesis?

Back

The process by which new neurons are formed in the adult brain, particularly in the hippocampus.

Front

What evidence supports adult neurogenesis?

Back

14C was found to be incorporated into the neurons of adult brains following atmospheric atomic tests that exposed people to 14C.

Front

What does the colorless nature of cerebrospinal fluid (CSF) indicate?

Back

It indicates that there cannot be hemoglobin within the CSF.

Front

What structure prevents the flow of CSF from the spinal cord and brain?

Back

The cerebral aqueduct.

Front

What is the primary function of the spinal cord?

Back

To act as an information superhighway, transmitting signals between the brain and the rest of the body.

Front

What is the common fibular nerve responsible for?

Back

It controls the muscles involved in the movement of the foot and toes.

Front

What are meninges?

Back

Three protective membranes that cover the brain and spinal cord.

Front

What is the role of astrocytes in the central nervous system (CNS)?

Back

Astrocytes support neurons, maintain the blood-brain barrier, and regulate blood flow.

Front

What is the function of the lumbar plexus?

Back

It supplies nerves to the lower back, pelvis, and legs.

Front

What is the significance of CSF in the CNS?

Back

CSF cushions the brain, removes waste, and provides nutrients.