Equine Limb Anatomy

Question 1

Remodelling

Answer 1

= bone laid down thicker where stress occurs, starts to ossify and re-absorbed when stress relieved

Question 2

Osteocytes

Answer 2

• derived from osteoblasts
• a cell that lies within the substance of fully formed bone
• occupies lacuna
• (osteoblasts surounded by material they secrete)

Question 3

Osteoblasts

Answer 3

specialized mesenchymal cells that synthesize bone matrix and coordinate the mineralization of the skeleton

Question 4

Osteoclasts

Answer 4

large multinucleated cell responsible for the dissolution and absorption of bone

Question 5

Stay apparatus

Answer 5

• W/O any muscular action
• resist extension of fetlock and pastern and flexion of pastern and coffin joints
• suspends body once muscles relax with out collapse of shoulde, hip, elbow, carpal/tarsal joints