Articles > Lacuna definition – quiz Lacuna definition – quiz Quiz Choose the best answer. 1. In animal anatomy, lacuna is defined as ... the space or cavity containing osteocytes the air space or cavity filled with xylem and phloem the leaf gap 2. The dendritic projections of the osteocytes in lacuna are referred to as ... Canaliculi Lacunae Osteoblasts 3. Which of the following is the function of osteocytes in the lacunae? Maintain bone tissue Resorb bone tissue Give rise to different types of bone cells 4. What is the function of lacunae? contain osteocytes in bones and protect them from ossification contain chrondocytes in bones and protect them from ossification contain osteocytes in cartilages and protect them from ossification 5. A sign of 'aging' Presence of lacuna-canalicular system Canaliculi are filled with bone fluid Mineralized lacuna Send Your Results (Optional) Your Name To Email Time is Up!