ANSWER:
The tiny passageways through bone tissue that contain cytoplasmic extensions of astrocytes are called canaliculi.
Step-by-step explanation:
- Canaliculi is also understood as the passing through narrow space which are found in between lacunae of ossified region of bone.
- The main purpose of canaliculi is to make work all together and provide nutrients to osteocytes and it will also work for draining out all the waste product from a body.
- Canaliculi is also responsible for creating various routes for delivering the nutrients.