18 Questions
What is the primary function of the osteocytes found within the lacunae of compact bone?
To provide structural support and maintain the bone matrix
Which of the following structures is responsible for allowing blood vessels and nerves to penetrate through the compact bone?
Perforating (Volkmann's) canals
What is the primary role of the osteoclasts found within the endosteum lining the bone's internal surfaces?
To resorb and break down old or damaged bone
The central (Haversian) canals found within compact bone serve what primary function?
To transport blood vessels and nerves through the bone
What is the primary purpose of the canaliculi found within the lacunae of compact bone?
To transport nutrients and waste between the osteocytes
What is the primary function of the circumferential lamellae found in compact bone?
To form the concentric rings that make up the individual osteons (Haversian systems)
What is the primary role of osteocytes in mature bone?
To maintain the bone matrix and facilitate nutrient exchange
Which of the following is the primary function of osteoclasts in bone remodeling?
To break down and resorb old or damaged bone
What is the primary function of the Haversian canal system in compact bone?
To provide a pathway for nutrient and waste exchange
What is the primary function of the lacunae and canaliculi in compact bone?
To enable the distribution of nutrients and the removal of waste from osteocytes
Which of the following is a key characteristic of the structure of compact bone?
The organization of bone tissue into distinct Haversian systems
What is the primary role of the periosteum in the process of endochondral ossification?
To form a woven bone collar that is later replaced by mature lamellar bone
Which of the following cells are responsible for bone resorption?
Osteoclasts
What is the central canal that runs through the core of each osteon called?
Haversian canal
What are the tiny canals that connect lacunae to each other and to the Haversian canal called?
Canaliculi
Which of the following statements about compact bone is true?
It is also known as lamellar bone due to its concentric tube-like lamellae structure.
What are the shallow cavities in the solid bone matrix that house the osteocytes called?
Lacunae
What are the canals that connect blood vessels and nerves between the periosteum and the Haversian canals called?
Volkmann's canals
Test your knowledge on the microscopic anatomy of compact bone with this quiz. Identify structures such as lamella, osteocyte, osteon, lacuna, and more!
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