neurons and nerve conduction

ANATOMY LAB

The astrocyte (purple) is closely associated with the blood vessel (cyan) and the neuron (green). Which of the following is a key role of astrocytes in these interactions?

b. Maintaining the blood-brain barrier and
regulating nutrient delivery to neurons

Which of the following best explains why electron microscopy (EM) is an indispensable tool for studying the nervous system?

It provides ultrastructural resolution to identify subcellular features of neurons and glia,
such as synaptic vesicles and myelin sheaths

Which of the following statements correctly describes microglia?

They originate from yolk sac progenitors and function as immune cells of the CNS.

microglia

Are derived from blood monocytes and act as macrophages