structure of long bone

Question 1

Epiphyses

Answer 1

1. Expanded ends of long bones
2. Exterior is compact bone, and the interior is spongy bone
3. Superficial surface covered in articular (joint) cartilage
4. Epiphyseal plate (line) separates the diaphysis from the
   epiphyses and represents location of bone lengthening
   (growth) only found in children and adults made from
   hyaline cartilage

Question 1

Diaphysis

Answer 1

1. Tubular shaft of compact bone that surrounds the medullary
   cavity
2. During growth periods contains red bone marrow
3. In adults, contains yellow bone marrow (fat)