Question at position 34 Perforating canals run parallel to the surface of bone and are responsible for carrying blood vessels deep into the bone.TrueFalseSingle choice
A
True
B
False

Question

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

BlackTom AI · Accepted Answer

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

Option 1: True. This statement is not accurate. Perforating canals (aka Volkman’s canals) actually run perpendicular or at right angles to the surface of the bone, connecting the Haversian (central) canals, and they help deliver blood vessels and nutrients from the periosteum into the bone matrix. Therefore saying they run parallel to the surface is incorrect.

Option 2: False. This option aligns with anatomical facts. Perforating canals do not run parallel to the bone surface; they traverse the bone to connect the periosteal vessels with the endosteal/central canals, enabling vascular communication deep into the bone. This makes the stated role correct in principle while the orientation described (parallel to the surface) is what makes the claim false.

To explore the conceptual implications: understanding the orientation of perforating canals is key to grasping how bone vasculature is organized. The parallel-orientation claim would imply a superficial, tangential pathway, which would not efficiently connect surface vessels with the inner marrow cavity. The actual perpendicular arrangement provides the correct route for vessels to travel from the periosteum into the deeper lamellar bone and Haversian systems, supporting nutrient and waste exchange throughout the cortical bone.

In summary, the statement in Option 1 misrepresents the anatomical direction of perforating canals, while Option 2 correctly identifies that the parallel orientation is false and that these canals serve to carry vessels into the bone, though the textual reasoning emphasizes the orientation being perpendicular rather than parallel.

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

Similar Questions

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 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

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

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