Which term describes the light porous inner layer of bone, also called spongy bone?

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Prepare for the SkillsUSA Medical Terminology Test. Study with flashcards and multiple-choice questions that include hints and explanations to boost your confidence for exam success!

Multiple Choice

Which term describes the light porous inner layer of bone, also called spongy bone?

Explanation:
The light, porous inner layer of bone is cancellous (spongy) bone. It’s made up of a lattice-like network of trabeculae that creates a porous structure, making the bone lighter while still strong. This inner layer often houses bone marrow in the spaces. The outer, solid layer is compact bone. The other terms refer to different things: calcaneus is a specific bone (heel bone), hemorrhage means bleeding, and cost/o is a combining form meaning rib.

The light, porous inner layer of bone is cancellous (spongy) bone. It’s made up of a lattice-like network of trabeculae that creates a porous structure, making the bone lighter while still strong. This inner layer often houses bone marrow in the spaces. The outer, solid layer is compact bone. The other terms refer to different things: calcaneus is a specific bone (heel bone), hemorrhage means bleeding, and cost/o is a combining form meaning rib.

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