Question at position 33 What is the primary function of canaliculi in compact bone?To store calcium and phosphorus saltsTo anchor the periosteum to the boneTo allow communication between osteocytes and provide nutrientsTo protect the bone from external damage

Question

BlackTom AI · Accepted Answer

Question and options restated: What is the primary function of canaliculi in compact bone?
Options: 
- To store calcium and phosphorus salts
- To anchor the periosteum to the bone
- To allow communication between osteocytes and provide nutrients
- To protect the bone from external damage

Analysis of each option:
- Option 1: "To store calcium and phosphorus salts". While bone tissue does store calcium and phosphorus, canaliculi themselves are not the storage sites. The mineral storage occurs within the bone matrix and the lacunae; canaliculi primarily function as microchannels for intercellular communication and nutrient exchange. Therefore, this statement misidentifies the role of canaliculi.

- Option 2: "To anchor the periosteum to the bone". The periosteum attaches to the outer surface of bone via Sharpey fibers and other connective tissue structures, not via canaliculi. Canaliculi reside within the bone matrix, connecting osteocytes to each other rather than attaching periosteum. This makes this option inaccurate.

- Option 3: "To allow communication between osteocytes and provide nutrients". This directly describes the known function of canaliculi: tiny, tunnel-like processes that connect osteocytes in lacunae, enabling exchange of nutrients, signaling molecules, and waste between cells through gap junctions. This option matches established bone biology.

- Option 4: "To protect the bone from external damage". Canaliculi are internal microscopic channels; they do not provide a protective barrier against external damage. Protective functions are mainly associated with the periosteum, cortical bone thickness, and overall bone architecture, not the canaliculi themselves. Hence this choice is incorrect.

Overall, the options differ in where canaliculi fit into bone physiology. The correct conceptual match is the ability of canaliculi to facilitate communication between osteocytes and enable nutrient exchange, which is essential for osteocyte survival and bone maintenance. The other choices misassign the function of canaliculi to storage, attachment of the periosteum, or external protection, none of which align with the established role of these tiny channels.

Question at position 33 What is the primary function of canaliculi in compact bone?To store calcium and phosphorus saltsTo anchor the periosteum to the boneTo allow communication between osteocytes and provide nutrientsTo protect the bone from external damage单项选择题

类似问题

Question at position 11 Osteon is reffered to be: Forming unit of spongy bone Forming unit of compact bone Forming unit of cartilage Forming unit of nervous system

Question at position 8 The main blood vessels and nerve supply of the osteon pass through theCentral or Haversian canal Obturator foramen Foramen magnum Osteoid foramen

In an osteon, the osteocytes are located within the;[Fill in the blank]

Which of the following statements is/are true of spongy bone?

What is the main function of the Haversian canals within bone?

6. Osteonic canals, also known as Haversian and Central canals, contain ______________________________.

Question at position 34 Perforating canals run parallel to the surface of bone and are responsible for carrying blood vessels deep into the bone.TrueFalse

Match the following: 1: Osteon 2: Lacuna 3: Lamella 4: Haversian canal 5: Volkmann's canal 6: Canaliculi

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单