Bone Structure – Anatomy

Bone Structure – Anatomy

Question 1. What are the sites where red bone marrow is present in adults?
Answer.

The sites where red bone marrow is present in adults:

• Proximal ends of femur and humerus
• Ribs
• Sternum
• Skull
• Vertebrae
• Hip bone

Gross and microscopic structure of bone tissue

Question 2. What are the parts of a long bone?
Answer.

The long bone consists of the following parts:

• Epiphyses: Ends of a long bone that ossifies from secondary centres.
• Diaphysis: Shaft of a long bone that ossifies from a primary centre. It consists of an outer cortex of compact bone and an inner medullary cavity filled with bone marrow.