Trabeculae in spongy bone are characterized by having no osteons. Which component is absent in trabeculae?

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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

Trabeculae in spongy bone are characterized by having no osteons. Which component is absent in trabeculae?

Explanation:
Osteons are absent in trabecular bone. In spongy bone, the network of thin, lattice-like trabeculae is built from lamellae with osteocytes housed in lacunae and connected by canaliculi, but they do not form the cylindrical Haversian systems that organize compact bone. This arrangement allows light, porous bone that still supports metabolic needs through the surrounding marrow and inter-trabecular spaces, while maintaining cell communication and maintenance via the lamellae, lacunae, and canaliculi within each trabecula.

Osteons are absent in trabecular bone. In spongy bone, the network of thin, lattice-like trabeculae is built from lamellae with osteocytes housed in lacunae and connected by canaliculi, but they do not form the cylindrical Haversian systems that organize compact bone. This arrangement allows light, porous bone that still supports metabolic needs through the surrounding marrow and inter-trabecular spaces, while maintaining cell communication and maintenance via the lamellae, lacunae, and canaliculi within each trabecula.

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