Which term describes hard, dense bone tissue located just beneath the periosteum?

Study for the Ivy Tech APHY 101 - Skeletal System Test. Enhance your learning with flashcards and multiple choice questions, each question includes hints and explanations. Prepare for success!

Multiple Choice

Which term describes hard, dense bone tissue located just beneath the periosteum?

Explanation:
Hard, dense bone tissue just beneath the periosteum is compact bone, also called cortical bone. This outer shell forms a rigid, tightly packed layer that gives bones their strength and ability to bear loads. It’s organized into osteons with concentric lamellae around a central Haversian canal, which carries blood vessels and nerves. Spongy (cancellous) bone, by contrast, is porous and lighter, found mainly at the ends of long bones and inside flat bones, with a network of trabeculae. So the dense outer layer under the periosteum is compact (cortical) bone.

Hard, dense bone tissue just beneath the periosteum is compact bone, also called cortical bone. This outer shell forms a rigid, tightly packed layer that gives bones their strength and ability to bear loads. It’s organized into osteons with concentric lamellae around a central Haversian canal, which carries blood vessels and nerves. Spongy (cancellous) bone, by contrast, is porous and lighter, found mainly at the ends of long bones and inside flat bones, with a network of trabeculae. So the dense outer layer under the periosteum is compact (cortical) bone.

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