Haversian Systems or Osteons

question 70

Multiple Choice

Haversian systems or osteons

• A)lack concentric lamellae.
• B)do not contain osteocytes.
• C)are found in spongy bone tissue.
• D)are avascular.
• E)are the basic units in compact bone tissue.

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Definitions:

Intermediate Back Muscles

A group of muscles located between the superficial and deep layers of back muscles, contributing to the movement and stabilization of the spine.

Erector Spinae

A group of muscles running vertically along the spine that help maintain posture and facilitate movement of the vertebral column.

Spinalis Thoracis

A part of the erector spinae muscle group located along the thoracic spine, assisting in extending the vertebral column.

Spinalis Cervicis

A neck muscle that is part of the spinalis muscle group, responsible for extending and stabilizing the cervical spine.