The axon hillock contains

A．They communicate with each other via haversian canals
B．They live for a long time
C．They possess long cytoplasmic processes
D．They are housed in their own lacunae
E．Osteocytes communicate with each other via narrow cytoplasmic processes that extend through canaliculi.

A．They are polarized
B．They are vascular
C．They are separated from underlying connective tissue by a basal lamina
D．They contain only a small amount of intercellular substance
E．They line the lumen of blood vessels